Home / 78,773,713.13-108,707,874.56-43,491,586.49

Finding the Fourth Proportional to 78,773,713.13, 108,707,874.56 and 43,491,586.49

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Solution

The fourth proportional to 78,773,713.13, 108,707,874.56 and 43,491,586.49 is: 60,018,472.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,773,713.13 : 108,707,874.56 = 43,491,586.49 : x
  2. Step 2: Convert to fraction form
    78,773,713.13/108,707,874.56 = 43,491,586.49/x
  3. Step 3: Cross multiply
    78,773,713.13x = 108,707,874.56 × 43,491,586.49
  4. Step 4: Simplify right side
    78,773,713.13x = 4,727,877,928,081,083
  5. Step 5: Solve for x
    x = 4,727,877,928,081,083/78,773,713.13
  6. Step 6: Final answer
    x = 60,018,472.41

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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.