Home / 71,170,428.20-106,755,642.30-66,068,594.60

Finding the Fourth Proportional to 71,170,428.20, 106,755,642.30 and 66,068,594.60

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Solution

The fourth proportional to 71,170,428.20, 106,755,642.30 and 66,068,594.60 is: 99,102,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,170,428.20 : 106,755,642.30 = 66,068,594.60 : x
  2. Step 2: Convert to fraction form
    71,170,428.20/106,755,642.30 = 66,068,594.60/x
  3. Step 3: Cross multiply
    71,170,428.20x = 106,755,642.30 × 66,068,594.60
  4. Step 4: Simplify right side
    71,170,428.20x = 7,053,195,252,381,312
  5. Step 5: Solve for x
    x = 7,053,195,252,381,312/71,170,428.20
  6. Step 6: Final answer
    x = 99,102,891.90

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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.