Home / 86,275,584,047.60-129,413,376,071.40-42,086,902,626.80

Finding the Fourth Proportional to 86,275,584,047.60, 129,413,376,071.40 and 42,086,902,626.80

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Solution

The fourth proportional to 86,275,584,047.60, 129,413,376,071.40 and 42,086,902,626.80 is: 63,130,353,940.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275,584,047.60 : 129,413,376,071.40 = 42,086,902,626.80 : x
  2. Step 2: Convert to fraction form
    86,275,584,047.60/129,413,376,071.40 = 42,086,902,626.80/x
  3. Step 3: Cross multiply
    86,275,584,047.60x = 129,413,376,071.40 × 42,086,902,626.80
  4. Step 4: Simplify right side
    86,275,584,047.60x = 5,446,608,157,322,461,052,928
  5. Step 5: Solve for x
    x = 5,446,608,157,322,461,052,928/86,275,584,047.60
  6. Step 6: Final answer
    x = 63,130,353,940.20

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Double scale
Find fourth proportional to 86,275,584,048.60, 129,413,376,072.90 and 42,086,902,627.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.