Home / 80,202,629.90-110,676,765.35-45,394,572.80

Finding the Fourth Proportional to 80,202,629.90, 110,676,765.35 and 45,394,572.80

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Solution

The fourth proportional to 80,202,629.90, 110,676,765.35 and 45,394,572.80 is: 62,642,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,202,629.90 : 110,676,765.35 = 45,394,572.80 : x
  2. Step 2: Convert to fraction form
    80,202,629.90/110,676,765.35 = 45,394,572.80/x
  3. Step 3: Cross multiply
    80,202,629.90x = 110,676,765.35 × 45,394,572.80
  4. Step 4: Simplify right side
    80,202,629.90x = 5,024,124,481,722,119
  5. Step 5: Solve for x
    x = 5,024,124,481,722,119/80,202,629.90
  6. Step 6: Final answer
    x = 62,642,889.49

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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.