Home / 108,172,432.62-149,278,476.69-58,612,793.13

Finding the Fourth Proportional to 108,172,432.62, 149,278,476.69 and 58,612,793.13

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Solution

The fourth proportional to 108,172,432.62, 149,278,476.69 and 58,612,793.13 is: 80,885,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,172,432.62 : 149,278,476.69 = 58,612,793.13 : x
  2. Step 2: Convert to fraction form
    108,172,432.62/149,278,476.69 = 58,612,793.13/x
  3. Step 3: Cross multiply
    108,172,432.62x = 149,278,476.69 × 58,612,793.13
  4. Step 4: Simplify right side
    108,172,432.62x = 8,749,628,472,992,497
  5. Step 5: Solve for x
    x = 8,749,628,472,992,497/108,172,432.62
  6. Step 6: Final answer
    x = 80,885,936.10

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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.