Home / 80,952,422.40-121,386,643.20-29,808,115.20

Finding the Fourth Proportional to 80,952,422.40, 121,386,643.20 and 29,808,115.20

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Solution

The fourth proportional to 80,952,422.40, 121,386,643.20 and 29,808,115.20 is: 44,696,711.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,952,422.40 : 121,386,643.20 = 29,808,115.20 : x
  2. Step 2: Convert to fraction form
    80,952,422.40/121,386,643.20 = 29,808,115.20/x
  3. Step 3: Cross multiply
    80,952,422.40x = 121,386,643.20 × 29,808,115.20
  4. Step 4: Simplify right side
    80,952,422.40x = 3,618,307,044,246,896.50
  5. Step 5: Solve for x
    x = 3,618,307,044,246,896.50/80,952,422.40
  6. Step 6: Final answer
    x = 44,696,711.19

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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.