Home / 219,812,497.20-329,766,568.20-66,454,549.20

Finding the Fourth Proportional to 219,812,497.20, 329,766,568.20 and 66,454,549.20

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Solution

The fourth proportional to 219,812,497.20, 329,766,568.20 and 66,454,549.20 is: 99,696,281.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,812,497.20 : 329,766,568.20 = 66,454,549.20 : x
  2. Step 2: Convert to fraction form
    219,812,497.20/329,766,568.20 = 66,454,549.20/x
  3. Step 3: Cross multiply
    219,812,497.20x = 329,766,568.20 × 66,454,549.20
  4. Step 4: Simplify right side
    219,812,497.20x = 21,914,488,630,962,056
  5. Step 5: Solve for x
    x = 21,914,488,630,962,056/219,812,497.20
  6. Step 6: Final answer
    x = 99,696,281.65

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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.