Home / 159,540,572.12-220,182,916.05-93,516,542.78

Finding the Fourth Proportional to 159,540,572.12, 220,182,916.05 and 93,516,542.78

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Solution

The fourth proportional to 159,540,572.12, 220,182,916.05 and 93,516,542.78 is: 129,062,750.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,540,572.12 : 220,182,916.05 = 93,516,542.78 : x
  2. Step 2: Convert to fraction form
    159,540,572.12/220,182,916.05 = 93,516,542.78/x
  3. Step 3: Cross multiply
    159,540,572.12x = 220,182,916.05 × 93,516,542.78
  4. Step 4: Simplify right side
    159,540,572.12x = 20,590,745,087,114,060
  5. Step 5: Solve for x
    x = 20,590,745,087,114,060/159,540,572.12
  6. Step 6: Final answer
    x = 129,062,750.71

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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.