Home / 80,753,151.98-111,439,802.50-45,945,841.70

Finding the Fourth Proportional to 80,753,151.98, 111,439,802.50 and 45,945,841.70

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Solution

The fourth proportional to 80,753,151.98, 111,439,802.50 and 45,945,841.70 is: 63,405,519.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,753,151.98 : 111,439,802.50 = 45,945,841.70 : x
  2. Step 2: Convert to fraction form
    80,753,151.98/111,439,802.50 = 45,945,841.70/x
  3. Step 3: Cross multiply
    80,753,151.98x = 111,439,802.50 × 45,945,841.70
  4. Step 4: Simplify right side
    80,753,151.98x = 5,120,195,524,744,265
  5. Step 5: Solve for x
    x = 5,120,195,524,744,265/80,753,151.98
  6. Step 6: Final answer
    x = 63,405,519.16

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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.