Home / 198,427,329.15-297,621,748.09-60,254,132.61

Finding the Fourth Proportional to 198,427,329.15, 297,621,748.09 and 60,254,132.61

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Solution

The fourth proportional to 198,427,329.15, 297,621,748.09 and 60,254,132.61 is: 90,375,354.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,427,329.15 : 297,621,748.09 = 60,254,132.61 : x
  2. Step 2: Convert to fraction form
    198,427,329.15/297,621,748.09 = 60,254,132.61/x
  3. Step 3: Cross multiply
    198,427,329.15x = 297,621,748.09 × 60,254,132.61
  4. Step 4: Simplify right side
    198,427,329.15x = 17,932,940,277,034,872
  5. Step 5: Solve for x
    x = 17,932,940,277,034,872/198,427,329.15
  6. Step 6: Final answer
    x = 90,375,354.82

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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.