Home / 99,072,198.46-136,715,888.29-55,022,034.85

Finding the Fourth Proportional to 99,072,198.46, 136,715,888.29 and 55,022,034.85

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Solution

The fourth proportional to 99,072,198.46, 136,715,888.29 and 55,022,034.85 is: 75,928,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,072,198.46 : 136,715,888.29 = 55,022,034.85 : x
  2. Step 2: Convert to fraction form
    99,072,198.46/136,715,888.29 = 55,022,034.85/x
  3. Step 3: Cross multiply
    99,072,198.46x = 136,715,888.29 × 55,022,034.85
  4. Step 4: Simplify right side
    99,072,198.46x = 7,522,386,369,082,397
  5. Step 5: Solve for x
    x = 7,522,386,369,082,397/99,072,198.46
  6. Step 6: Final answer
    x = 75,928,327.89

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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.