Home / 49,143,721.60-73,715,582.40-48,187,127.80

Finding the Fourth Proportional to 49,143,721.60, 73,715,582.40 and 48,187,127.80

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Solution

The fourth proportional to 49,143,721.60, 73,715,582.40 and 48,187,127.80 is: 72,280,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143,721.60 : 73,715,582.40 = 48,187,127.80 : x
  2. Step 2: Convert to fraction form
    49,143,721.60/73,715,582.40 = 48,187,127.80/x
  3. Step 3: Cross multiply
    49,143,721.60x = 73,715,582.40 × 48,187,127.80
  4. Step 4: Simplify right side
    49,143,721.60x = 3,552,142,189,960,231
  5. Step 5: Solve for x
    x = 3,552,142,189,960,231/49,143,721.60
  6. Step 6: Final answer
    x = 72,280,691.70

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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.