Home / 151,894,813.38-209,610,511.92-89,169,902.70

Finding the Fourth Proportional to 151,894,813.38, 209,610,511.92 and 89,169,902.70

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Solution

The fourth proportional to 151,894,813.38, 209,610,511.92 and 89,169,902.70 is: 123,051,923.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,894,813.38 : 209,610,511.92 = 89,169,902.70 : x
  2. Step 2: Convert to fraction form
    151,894,813.38/209,610,511.92 = 89,169,902.70/x
  3. Step 3: Cross multiply
    151,894,813.38x = 209,610,511.92 × 89,169,902.70
  4. Step 4: Simplify right side
    151,894,813.38x = 18,690,948,952,803,588
  5. Step 5: Solve for x
    x = 18,690,948,952,803,588/151,894,813.38
  6. Step 6: Final answer
    x = 123,051,923.48

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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.