Home / 49,034,898.15-67,668,156.03-28,420,301.76

Finding the Fourth Proportional to 49,034,898.15, 67,668,156.03 and 28,420,301.76

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Solution

The fourth proportional to 49,034,898.15, 67,668,156.03 and 28,420,301.76 is: 39,220,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,034,898.15 : 67,668,156.03 = 28,420,301.76 : x
  2. Step 2: Convert to fraction form
    49,034,898.15/67,668,156.03 = 28,420,301.76/x
  3. Step 3: Cross multiply
    49,034,898.15x = 67,668,156.03 × 28,420,301.76
  4. Step 4: Simplify right side
    49,034,898.15x = 1,923,149,413,915,363.75
  5. Step 5: Solve for x
    x = 1,923,149,413,915,363.75/49,034,898.15
  6. Step 6: Final answer
    x = 39,220,014.45

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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.