Home / 80,851,534.20-121,277,301.30-61,719,658.20

Finding the Fourth Proportional to 80,851,534.20, 121,277,301.30 and 61,719,658.20

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Solution

The fourth proportional to 80,851,534.20, 121,277,301.30 and 61,719,658.20 is: 92,579,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,534.20 : 121,277,301.30 = 61,719,658.20 : x
  2. Step 2: Convert to fraction form
    80,851,534.20/121,277,301.30 = 61,719,658.20/x
  3. Step 3: Cross multiply
    80,851,534.20x = 121,277,301.30 × 61,719,658.20
  4. Step 4: Simplify right side
    80,851,534.20x = 7,485,193,583,654,416
  5. Step 5: Solve for x
    x = 7,485,193,583,654,416/80,851,534.20
  6. Step 6: Final answer
    x = 92,579,487.30

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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.