Home / 49,004,755.17-67,630,515.05-28,098,732.81

Finding the Fourth Proportional to 49,004,755.17, 67,630,515.05 and 28,098,732.81

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Solution

The fourth proportional to 49,004,755.17, 67,630,515.05 and 28,098,732.81 is: 38,778,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,004,755.17 : 67,630,515.05 = 28,098,732.81 : x
  2. Step 2: Convert to fraction form
    49,004,755.17/67,630,515.05 = 28,098,732.81/x
  3. Step 3: Cross multiply
    49,004,755.17x = 67,630,515.05 × 28,098,732.81
  4. Step 4: Simplify right side
    49,004,755.17x = 1,900,331,772,192,633.50
  5. Step 5: Solve for x
    x = 1,900,331,772,192,633.50/49,004,755.17
  6. Step 6: Final answer
    x = 38,778,517.83

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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.