Home / 231,490,852.59-319,457,726.55-125,644,305.90

Finding the Fourth Proportional to 231,490,852.59, 319,457,726.55 and 125,644,305.90

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Solution

The fourth proportional to 231,490,852.59, 319,457,726.55 and 125,644,305.90 is: 173,389,332.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,490,852.59 : 319,457,726.55 = 125,644,305.90 : x
  2. Step 2: Convert to fraction form
    231,490,852.59/319,457,726.55 = 125,644,305.90/x
  3. Step 3: Cross multiply
    231,490,852.59x = 319,457,726.55 × 125,644,305.90
  4. Step 4: Simplify right side
    231,490,852.59x = 40,138,044,316,138,536
  5. Step 5: Solve for x
    x = 40,138,044,316,138,536/231,490,852.59
  6. Step 6: Final answer
    x = 173,389,332.09

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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.