Home / 87,614,642.36-120,945,435.15-54,591,207.42

Finding the Fourth Proportional to 87,614,642.36, 120,945,435.15 and 54,591,207.42

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Solution

The fourth proportional to 87,614,642.36, 120,945,435.15 and 54,591,207.42 is: 75,359,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,642.36 : 120,945,435.15 = 54,591,207.42 : x
  2. Step 2: Convert to fraction form
    87,614,642.36/120,945,435.15 = 54,591,207.42/x
  3. Step 3: Cross multiply
    87,614,642.36x = 120,945,435.15 × 54,591,207.42
  4. Step 4: Simplify right side
    87,614,642.36x = 6,602,557,336,473,445
  5. Step 5: Solve for x
    x = 6,602,557,336,473,445/87,614,642.36
  6. Step 6: Final answer
    x = 75,359,062.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.