Home / 219,780,200.10-329,670,300.15-66,449,921.70

Finding the Fourth Proportional to 219,780,200.10, 329,670,300.15 and 66,449,921.70

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Solution

The fourth proportional to 219,780,200.10, 329,670,300.15 and 66,449,921.70 is: 99,674,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,780,200.10 : 329,670,300.15 = 66,449,921.70 : x
  2. Step 2: Convert to fraction form
    219,780,200.10/329,670,300.15 = 66,449,921.70/x
  3. Step 3: Cross multiply
    219,780,200.10x = 329,670,300.15 × 66,449,921.70
  4. Step 4: Simplify right side
    219,780,200.10x = 21,906,565,631,782,996
  5. Step 5: Solve for x
    x = 21,906,565,631,782,996/219,780,200.10
  6. Step 6: Final answer
    x = 99,674,882.55

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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.