Home / 159,690,691.20-239,088,139.20-155,211,715.20

Finding the Fourth Proportional to 159,690,691.20, 239,088,139.20 and 155,211,715.20

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Solution

The fourth proportional to 159,690,691.20, 239,088,139.20 and 155,211,715.20 is: 232,382,237.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,690,691.20 : 239,088,139.20 = 155,211,715.20 : x
  2. Step 2: Convert to fraction form
    159,690,691.20/239,088,139.20 = 155,211,715.20/x
  3. Step 3: Cross multiply
    159,690,691.20x = 239,088,139.20 × 155,211,715.20
  4. Step 4: Simplify right side
    159,690,691.20x = 37,109,280,169,208,352
  5. Step 5: Solve for x
    x = 37,109,280,169,208,352/159,690,691.20
  6. Step 6: Final answer
    x = 232,382,237.75

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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.