Home / 199,478,194.17-298,957,753.11-81,165,073.56

Finding the Fourth Proportional to 199,478,194.17, 298,957,753.11 and 81,165,073.56

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Solution

The fourth proportional to 199,478,194.17, 298,957,753.11 and 81,165,073.56 is: 121,642,007.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,478,194.17 : 298,957,753.11 = 81,165,073.56 : x
  2. Step 2: Convert to fraction form
    199,478,194.17/298,957,753.11 = 81,165,073.56/x
  3. Step 3: Cross multiply
    199,478,194.17x = 298,957,753.11 × 81,165,073.56
  4. Step 4: Simplify right side
    199,478,194.17x = 24,264,928,022,505,472
  5. Step 5: Solve for x
    x = 24,264,928,022,505,472/199,478,194.17
  6. Step 6: Final answer
    x = 121,642,007.66

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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.