Home / 80,629,862.75-111,278,656.95-45,827,784.56

Finding the Fourth Proportional to 80,629,862.75, 111,278,656.95 and 45,827,784.56

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Solution

The fourth proportional to 80,629,862.75, 111,278,656.95 and 45,827,784.56 is: 63,247,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629,862.75 : 111,278,656.95 = 45,827,784.56 : x
  2. Step 2: Convert to fraction form
    80,629,862.75/111,278,656.95 = 45,827,784.56/x
  3. Step 3: Cross multiply
    80,629,862.75x = 111,278,656.95 × 45,827,784.56
  4. Step 4: Simplify right side
    80,629,862.75x = 5,099,654,317,108,943
  5. Step 5: Solve for x
    x = 5,099,654,317,108,943/80,629,862.75
  6. Step 6: Final answer
    x = 63,247,711.75

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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.