Home / 80,202,622.65-110,676,755.34-45,394,565.55

Finding the Fourth Proportional to 80,202,622.65, 110,676,755.34 and 45,394,565.55

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Solution

The fourth proportional to 80,202,622.65, 110,676,755.34 and 45,394,565.55 is: 62,642,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202,622.65 : 110,676,755.34 = 45,394,565.55 : x
  2. Step 2: Convert to fraction form
    80,202,622.65/110,676,755.34 = 45,394,565.55/x
  3. Step 3: Cross multiply
    80,202,622.65x = 110,676,755.34 × 45,394,565.55
  4. Step 4: Simplify right side
    80,202,622.65x = 5,024,123,225,142,942
  5. Step 5: Solve for x
    x = 5,024,123,225,142,942/80,202,622.65
  6. Step 6: Final answer
    x = 62,642,879.49

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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.