Home / 91,856,124.30-137,784,186.45-61,245,122.70

Finding the Fourth Proportional to 91,856,124.30, 137,784,186.45 and 61,245,122.70

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Solution

The fourth proportional to 91,856,124.30, 137,784,186.45 and 61,245,122.70 is: 91,867,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,856,124.30 : 137,784,186.45 = 61,245,122.70 : x
  2. Step 2: Convert to fraction form
    91,856,124.30/137,784,186.45 = 61,245,122.70/x
  3. Step 3: Cross multiply
    91,856,124.30x = 137,784,186.45 × 61,245,122.70
  4. Step 4: Simplify right side
    91,856,124.30x = 8,438,609,405,249,927
  5. Step 5: Solve for x
    x = 8,438,609,405,249,927/91,856,124.30
  6. Step 6: Final answer
    x = 91,867,684.05

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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.