Home / 125,561,105.10-188,240,020.47-39,255,086.70

Finding the Fourth Proportional to 125,561,105.10, 188,240,020.47 and 39,255,086.70

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Solution

The fourth proportional to 125,561,105.10, 188,240,020.47 and 39,255,086.70 is: 58,850,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,561,105.10 : 188,240,020.47 = 39,255,086.70 : x
  2. Step 2: Convert to fraction form
    125,561,105.10/188,240,020.47 = 39,255,086.70/x
  3. Step 3: Cross multiply
    125,561,105.10x = 188,240,020.47 × 39,255,086.70
  4. Step 4: Simplify right side
    125,561,105.10x = 7,389,378,323,959,625
  5. Step 5: Solve for x
    x = 7,389,378,323,959,625/125,561,105.10
  6. Step 6: Final answer
    x = 58,850,854.47

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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.