Home / 91,728,234.15-137,592,351.23-84,713,212.95

Finding the Fourth Proportional to 91,728,234.15, 137,592,351.23 and 84,713,212.95

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Solution

The fourth proportional to 91,728,234.15, 137,592,351.23 and 84,713,212.95 is: 127,069,819.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,728,234.15 : 137,592,351.23 = 84,713,212.95 : x
  2. Step 2: Convert to fraction form
    91,728,234.15/137,592,351.23 = 84,713,212.95/x
  3. Step 3: Cross multiply
    91,728,234.15x = 137,592,351.23 × 84,713,212.95
  4. Step 4: Simplify right side
    91,728,234.15x = 11,655,890,149,614,618
  5. Step 5: Solve for x
    x = 11,655,890,149,614,618/91,728,234.15
  6. Step 6: Final answer
    x = 127,069,819.43

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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.