Home / 161,758,694.80-242,638,042.20-133,037,261.20

Finding the Fourth Proportional to 161,758,694.80, 242,638,042.20 and 133,037,261.20

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Solution

The fourth proportional to 161,758,694.80, 242,638,042.20 and 133,037,261.20 is: 199,555,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,694.80 : 242,638,042.20 = 133,037,261.20 : x
  2. Step 2: Convert to fraction form
    161,758,694.80/242,638,042.20 = 133,037,261.20/x
  3. Step 3: Cross multiply
    161,758,694.80x = 242,638,042.20 × 133,037,261.20
  4. Step 4: Simplify right side
    161,758,694.80x = 32,279,900,597,218,020
  5. Step 5: Solve for x
    x = 32,279,900,597,218,020/161,758,694.80
  6. Step 6: Final answer
    x = 199,555,891.80

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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.