Home / 80,851,499.20-121,277,248.80-29,722,938.40

Finding the Fourth Proportional to 80,851,499.20, 121,277,248.80 and 29,722,938.40

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Solution

The fourth proportional to 80,851,499.20, 121,277,248.80 and 29,722,938.40 is: 44,584,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,499.20 : 121,277,248.80 = 29,722,938.40 : x
  2. Step 2: Convert to fraction form
    80,851,499.20/121,277,248.80 = 29,722,938.40/x
  3. Step 3: Cross multiply
    80,851,499.20x = 121,277,248.80 × 29,722,938.40
  4. Step 4: Simplify right side
    80,851,499.20x = 3,604,716,195,403,873.50
  5. Step 5: Solve for x
    x = 3,604,716,195,403,873.50/80,851,499.20
  6. Step 6: Final answer
    x = 44,584,407.60

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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.