Home / 208,041,780.92-287,096,941.01-119,935,358.51

Finding the Fourth Proportional to 208,041,780.92, 287,096,941.01 and 119,935,358.51

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Solution

The fourth proportional to 208,041,780.92, 287,096,941.01 and 119,935,358.51 is: 165,510,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,780.92 : 287,096,941.01 = 119,935,358.51 : x
  2. Step 2: Convert to fraction form
    208,041,780.92/287,096,941.01 = 119,935,358.51/x
  3. Step 3: Cross multiply
    208,041,780.92x = 287,096,941.01 × 119,935,358.51
  4. Step 4: Simplify right side
    208,041,780.92x = 34,433,074,545,123,508
  5. Step 5: Solve for x
    x = 34,433,074,545,123,508/208,041,780.92
  6. Step 6: Final answer
    x = 165,510,381.59

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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.