Home / 208,108,337.16-287,207,141.28-115,317,951.24

Finding the Fourth Proportional to 208,108,337.16, 287,207,141.28 and 115,317,951.24

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Solution

The fourth proportional to 208,108,337.16, 287,207,141.28 and 115,317,951.24 is: 159,148,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,108,337.16 : 287,207,141.28 = 115,317,951.24 : x
  2. Step 2: Convert to fraction form
    208,108,337.16/287,207,141.28 = 115,317,951.24/x
  3. Step 3: Cross multiply
    208,108,337.16x = 287,207,141.28 × 115,317,951.24
  4. Step 4: Simplify right side
    208,108,337.16x = 33,120,139,113,906,828
  5. Step 5: Solve for x
    x = 33,120,139,113,906,828/208,108,337.16
  6. Step 6: Final answer
    x = 159,148,545.25

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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.