Home / 147,278,373.91-203,234,790.81-81,195,260.20

Finding the Fourth Proportional to 147,278,373.91, 203,234,790.81 and 81,195,260.20

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Solution

The fourth proportional to 147,278,373.91, 203,234,790.81 and 81,195,260.20 is: 112,044,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,278,373.91 : 203,234,790.81 = 81,195,260.20 : x
  2. Step 2: Convert to fraction form
    147,278,373.91/203,234,790.81 = 81,195,260.20/x
  3. Step 3: Cross multiply
    147,278,373.91x = 203,234,790.81 × 81,195,260.20
  4. Step 4: Simplify right side
    147,278,373.91x = 16,501,701,720,494,344
  5. Step 5: Solve for x
    x = 16,501,701,720,494,344/147,278,373.91
  6. Step 6: Final answer
    x = 112,044,296.00

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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.