Home / 71,706,887.80-107,560,331.70-65,728,176.55

Finding the Fourth Proportional to 71,706,887.80, 107,560,331.70 and 65,728,176.55

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Solution

The fourth proportional to 71,706,887.80, 107,560,331.70 and 65,728,176.55 is: 98,592,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,706,887.80 : 107,560,331.70 = 65,728,176.55 : x
  2. Step 2: Convert to fraction form
    71,706,887.80/107,560,331.70 = 65,728,176.55/x
  3. Step 3: Cross multiply
    71,706,887.80x = 107,560,331.70 × 65,728,176.55
  4. Step 4: Simplify right side
    71,706,887.80x = 7,069,744,471,754,162
  5. Step 5: Solve for x
    x = 7,069,744,471,754,162/71,706,887.80
  6. Step 6: Final answer
    x = 98,592,264.83

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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.