Home / 219,812,443.20-329,766,487.20-66,454,495.20

Finding the Fourth Proportional to 219,812,443.20, 329,766,487.20 and 66,454,495.20

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Solution

The fourth proportional to 219,812,443.20, 329,766,487.20 and 66,454,495.20 is: 99,696,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812,443.20 : 329,766,487.20 = 66,454,495.20 : x
  2. Step 2: Convert to fraction form
    219,812,443.20/329,766,487.20 = 66,454,495.20/x
  3. Step 3: Cross multiply
    219,812,443.20x = 329,766,487.20 × 66,454,495.20
  4. Step 4: Simplify right side
    219,812,443.20x = 21,914,465,440,753,260
  5. Step 5: Solve for x
    x = 21,914,465,440,753,260/219,812,443.20
  6. Step 6: Final answer
    x = 99,696,200.64

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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.