Home / 208,041,781.29-287,096,941.53-119,935,358.88

Finding the Fourth Proportional to 208,041,781.29, 287,096,941.53 and 119,935,358.88

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Solution

The fourth proportional to 208,041,781.29, 287,096,941.53 and 119,935,358.88 is: 165,510,382.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,781.29 : 287,096,941.53 = 119,935,358.88 : x
  2. Step 2: Convert to fraction form
    208,041,781.29/287,096,941.53 = 119,935,358.88/x
  3. Step 3: Cross multiply
    208,041,781.29x = 287,096,941.53 × 119,935,358.88
  4. Step 4: Simplify right side
    208,041,781.29x = 34,433,074,715,750,920
  5. Step 5: Solve for x
    x = 34,433,074,715,750,920/208,041,781.29
  6. Step 6: Final answer
    x = 165,510,382.11

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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.