Home / 86,275,584,060.60-129,413,376,090.90-42,086,902,639.80

Finding the Fourth Proportional to 86,275,584,060.60, 129,413,376,090.90 and 42,086,902,639.80

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Solution

The fourth proportional to 86,275,584,060.60, 129,413,376,090.90 and 42,086,902,639.80 is: 63,130,353,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,275,584,060.60 : 129,413,376,090.90 = 42,086,902,639.80 : x
  2. Step 2: Convert to fraction form
    86,275,584,060.60/129,413,376,090.90 = 42,086,902,639.80/x
  3. Step 3: Cross multiply
    86,275,584,060.60x = 129,413,376,090.90 × 42,086,902,639.80
  4. Step 4: Simplify right side
    86,275,584,060.60x = 5,446,608,159,825,529,405,440
  5. Step 5: Solve for x
    x = 5,446,608,159,825,529,405,440/86,275,584,060.60
  6. Step 6: Final answer
    x = 63,130,353,959.70

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Double scale
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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.