Home / 198,277,961.87-297,533,349.53-83,253,659.15

Finding the Fourth Proportional to 198,277,961.87, 297,533,349.53 and 83,253,659.15

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Solution

The fourth proportional to 198,277,961.87, 297,533,349.53 and 83,253,659.15 is: 124,929,366.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,277,961.87 : 297,533,349.53 = 83,253,659.15 : x
  2. Step 2: Convert to fraction form
    198,277,961.87/297,533,349.53 = 83,253,659.15/x
  3. Step 3: Cross multiply
    198,277,961.87x = 297,533,349.53 × 83,253,659.15
  4. Step 4: Simplify right side
    198,277,961.87x = 24,770,740,067,528,432
  5. Step 5: Solve for x
    x = 24,770,740,067,528,432/198,277,961.87
  6. Step 6: Final answer
    x = 124,929,366.00

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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.