Home / 80,851,429.20-121,277,143.80-29,722,868.40

Finding the Fourth Proportional to 80,851,429.20, 121,277,143.80 and 29,722,868.40

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Solution

The fourth proportional to 80,851,429.20, 121,277,143.80 and 29,722,868.40 is: 44,584,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,851,429.20 : 121,277,143.80 = 29,722,868.40 : x
  2. Step 2: Convert to fraction form
    80,851,429.20/121,277,143.80 = 29,722,868.40/x
  3. Step 3: Cross multiply
    80,851,429.20x = 121,277,143.80 × 29,722,868.40
  4. Step 4: Simplify right side
    80,851,429.20x = 3,604,704,585,095,275.50
  5. Step 5: Solve for x
    x = 3,604,704,585,095,275.50/80,851,429.20
  6. Step 6: Final answer
    x = 44,584,302.60

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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.