Home / 91,398,310.53-137,092,637.31-29,979,378.91

Finding the Fourth Proportional to 91,398,310.53, 137,092,637.31 and 29,979,378.91

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Solution

The fourth proportional to 91,398,310.53, 137,092,637.31 and 29,979,378.91 is: 44,967,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,398,310.53 : 137,092,637.31 = 29,979,378.91 : x
  2. Step 2: Convert to fraction form
    91,398,310.53/137,092,637.31 = 29,979,378.91/x
  3. Step 3: Cross multiply
    91,398,310.53x = 137,092,637.31 × 29,979,378.91
  4. Step 4: Simplify right side
    91,398,310.53x = 4,109,952,120,174,412
  5. Step 5: Solve for x
    x = 4,109,952,120,174,412/91,398,310.53
  6. Step 6: Final answer
    x = 44,967,484.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.