Home / 71,535,175.80-107,192,538.90-53,253,605.40

Finding the Fourth Proportional to 71,535,175.80, 107,192,538.90 and 53,253,605.40

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Solution

The fourth proportional to 71,535,175.80, 107,192,538.90 and 53,253,605.40 is: 79,798,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535,175.80 : 107,192,538.90 = 53,253,605.40 : x
  2. Step 2: Convert to fraction form
    71,535,175.80/107,192,538.90 = 53,253,605.40/x
  3. Step 3: Cross multiply
    71,535,175.80x = 107,192,538.90 × 53,253,605.40
  4. Step 4: Simplify right side
    71,535,175.80x = 5,708,389,168,404,750
  5. Step 5: Solve for x
    x = 5,708,389,168,404,750/71,535,175.80
  6. Step 6: Final answer
    x = 79,798,352.41

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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.