Home / 71,535,220.80-107,192,606.40-53,253,650.40

Finding the Fourth Proportional to 71,535,220.80, 107,192,606.40 and 53,253,650.40

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Solution

The fourth proportional to 71,535,220.80, 107,192,606.40 and 53,253,650.40 is: 79,798,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535,220.80 : 107,192,606.40 = 53,253,650.40 : x
  2. Step 2: Convert to fraction form
    71,535,220.80/107,192,606.40 = 53,253,650.40/x
  3. Step 3: Cross multiply
    71,535,220.80x = 107,192,606.40 × 53,253,650.40
  4. Step 4: Simplify right side
    71,535,220.80x = 5,708,397,586,690,403
  5. Step 5: Solve for x
    x = 5,708,397,586,690,403/71,535,220.80
  6. Step 6: Final answer
    x = 79,798,419.90

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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.