Home / 91,678,183.27-126,548,801.31-54,508,374.86

Finding the Fourth Proportional to 91,678,183.27, 126,548,801.31 and 54,508,374.86

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Solution

The fourth proportional to 91,678,183.27, 126,548,801.31 and 54,508,374.86 is: 75,241,123.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,678,183.27 : 126,548,801.31 = 54,508,374.86 : x
  2. Step 2: Convert to fraction form
    91,678,183.27/126,548,801.31 = 54,508,374.86/x
  3. Step 3: Cross multiply
    91,678,183.27x = 126,548,801.31 × 54,508,374.86
  4. Step 4: Simplify right side
    91,678,183.27x = 6,897,969,499,889,139
  5. Step 5: Solve for x
    x = 6,897,969,499,889,139/91,678,183.27
  6. Step 6: Final answer
    x = 75,241,123.39

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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.