Home / 274,387,489.61-378,655,099.11-148,939,604.08

Finding the Fourth Proportional to 274,387,489.61, 378,655,099.11 and 148,939,604.08

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Solution

The fourth proportional to 274,387,489.61, 378,655,099.11 and 148,939,604.08 is: 205,536,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,387,489.61 : 378,655,099.11 = 148,939,604.08 : x
  2. Step 2: Convert to fraction form
    274,387,489.61/378,655,099.11 = 148,939,604.08/x
  3. Step 3: Cross multiply
    274,387,489.61x = 378,655,099.11 × 148,939,604.08
  4. Step 4: Simplify right side
    274,387,489.61x = 56,396,740,543,369,920
  5. Step 5: Solve for x
    x = 56,396,740,543,369,920/274,387,489.61
  6. Step 6: Final answer
    x = 205,536,850.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.