Home / 91,856,125.30-137,784,187.95-61,245,123.70

Finding the Fourth Proportional to 91,856,125.30, 137,784,187.95 and 61,245,123.70

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Solution

The fourth proportional to 91,856,125.30, 137,784,187.95 and 61,245,123.70 is: 91,867,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,125.30 : 137,784,187.95 = 61,245,123.70 : x
  2. Step 2: Convert to fraction form
    91,856,125.30/137,784,187.95 = 61,245,123.70/x
  3. Step 3: Cross multiply
    91,856,125.30x = 137,784,187.95 × 61,245,123.70
  4. Step 4: Simplify right side
    91,856,125.30x = 8,438,609,634,901,799
  5. Step 5: Solve for x
    x = 8,438,609,634,901,799/91,856,125.30
  6. Step 6: Final answer
    x = 91,867,685.55

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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.