Home / 137,775,644.69-206,688,894.55-57,002,911.25

Finding the Fourth Proportional to 137,775,644.69, 206,688,894.55 and 57,002,911.25

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Solution

The fourth proportional to 137,775,644.69, 206,688,894.55 and 57,002,911.25 is: 85,514,887.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,775,644.69 : 206,688,894.55 = 57,002,911.25 : x
  2. Step 2: Convert to fraction form
    137,775,644.69/206,688,894.55 = 57,002,911.25/x
  3. Step 3: Cross multiply
    137,775,644.69x = 206,688,894.55 × 57,002,911.25
  4. Step 4: Simplify right side
    137,775,644.69x = 11,781,868,711,218,308
  5. Step 5: Solve for x
    x = 11,781,868,711,218,308/137,775,644.69
  6. Step 6: Final answer
    x = 85,514,887.18

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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.