Home / 123,283,983.42-170,131,472.55-71,072,770.14

Finding the Fourth Proportional to 123,283,983.42, 170,131,472.55 and 71,072,770.14

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Solution

The fourth proportional to 123,283,983.42, 170,131,472.55 and 71,072,770.14 is: 98,080,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,283,983.42 : 170,131,472.55 = 71,072,770.14 : x
  2. Step 2: Convert to fraction form
    123,283,983.42/170,131,472.55 = 71,072,770.14/x
  3. Step 3: Cross multiply
    123,283,983.42x = 170,131,472.55 × 71,072,770.14
  4. Step 4: Simplify right side
    123,283,983.42x = 12,091,715,042,125,870
  5. Step 5: Solve for x
    x = 12,091,715,042,125,870/123,283,983.42
  6. Step 6: Final answer
    x = 98,080,178.03

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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.