Home / 159,894,231.87-220,655,561.15-93,815,854.23

Finding the Fourth Proportional to 159,894,231.87, 220,655,561.15 and 93,815,854.23

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Solution

The fourth proportional to 159,894,231.87, 220,655,561.15 and 93,815,854.23 is: 129,466,771.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,894,231.87 : 220,655,561.15 = 93,815,854.23 : x
  2. Step 2: Convert to fraction form
    159,894,231.87/220,655,561.15 = 93,815,854.23/x
  3. Step 3: Cross multiply
    159,894,231.87x = 220,655,561.15 × 93,815,854.23
  4. Step 4: Simplify right side
    159,894,231.87x = 20,700,989,960,121,792
  5. Step 5: Solve for x
    x = 20,700,989,960,121,792/159,894,231.87
  6. Step 6: Final answer
    x = 129,466,771.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.