Home / 86,033,795.40-129,050,693.10-76,627,945.80

Finding the Fourth Proportional to 86,033,795.40, 129,050,693.10 and 76,627,945.80

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Solution

The fourth proportional to 86,033,795.40, 129,050,693.10 and 76,627,945.80 is: 114,941,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033,795.40 : 129,050,693.10 = 76,627,945.80 : x
  2. Step 2: Convert to fraction form
    86,033,795.40/129,050,693.10 = 76,627,945.80/x
  3. Step 3: Cross multiply
    86,033,795.40x = 129,050,693.10 × 76,627,945.80
  4. Step 4: Simplify right side
    86,033,795.40x = 9,888,889,516,319,234
  5. Step 5: Solve for x
    x = 9,888,889,516,319,234/86,033,795.40
  6. Step 6: Final answer
    x = 114,941,918.70

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Double scale
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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.