Home / 91,310,553.81-126,005,187.15-49,493,721.29

Finding the Fourth Proportional to 91,310,553.81, 126,005,187.15 and 49,493,721.29

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Solution

The fourth proportional to 91,310,553.81, 126,005,187.15 and 49,493,721.29 is: 68,299,504.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310,553.81 : 126,005,187.15 = 49,493,721.29 : x
  2. Step 2: Convert to fraction form
    91,310,553.81/126,005,187.15 = 49,493,721.29/x
  3. Step 3: Cross multiply
    91,310,553.81x = 126,005,187.15 × 49,493,721.29
  4. Step 4: Simplify right side
    91,310,553.81x = 6,236,465,613,266,363
  5. Step 5: Solve for x
    x = 6,236,465,613,266,363/91,310,553.81
  6. Step 6: Final answer
    x = 68,299,504.86

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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.