Home / 87,952,549.92-121,377,762.18-53,138,514.42

Finding the Fourth Proportional to 87,952,549.92, 121,377,762.18 and 53,138,514.42

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Solution

The fourth proportional to 87,952,549.92, 121,377,762.18 and 53,138,514.42 is: 73,333,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,952,549.92 : 121,377,762.18 = 53,138,514.42 : x
  2. Step 2: Convert to fraction form
    87,952,549.92/121,377,762.18 = 53,138,514.42/x
  3. Step 3: Cross multiply
    87,952,549.92x = 121,377,762.18 × 53,138,514.42
  4. Step 4: Simplify right side
    87,952,549.92x = 6,449,833,965,869,261
  5. Step 5: Solve for x
    x = 6,449,833,965,869,261/87,952,549.92
  6. Step 6: Final answer
    x = 73,333,109.41

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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.