Home / 38,459,645.91-53,081,781.17-29,150,979.30

Finding the Fourth Proportional to 38,459,645.91, 53,081,781.17 and 29,150,979.30

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Solution

The fourth proportional to 38,459,645.91, 53,081,781.17 and 29,150,979.30 is: 40,234,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459,645.91 : 53,081,781.17 = 29,150,979.30 : x
  2. Step 2: Convert to fraction form
    38,459,645.91/53,081,781.17 = 29,150,979.30/x
  3. Step 3: Cross multiply
    38,459,645.91x = 53,081,781.17 × 29,150,979.30
  4. Step 4: Simplify right side
    38,459,645.91x = 1,547,385,903,948,045
  5. Step 5: Solve for x
    x = 1,547,385,903,948,045/38,459,645.91
  6. Step 6: Final answer
    x = 40,234,013.27

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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.