Home / 99,491,190.30-137,296,003.08-54,228,326.16

Finding the Fourth Proportional to 99,491,190.30, 137,296,003.08 and 54,228,326.16

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Solution

The fourth proportional to 99,491,190.30, 137,296,003.08 and 54,228,326.16 is: 74,834,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,491,190.30 : 137,296,003.08 = 54,228,326.16 : x
  2. Step 2: Convert to fraction form
    99,491,190.30/137,296,003.08 = 54,228,326.16/x
  3. Step 3: Cross multiply
    99,491,190.30x = 137,296,003.08 × 54,228,326.16
  4. Step 4: Simplify right side
    99,491,190.30x = 7,445,332,435,486,605
  5. Step 5: Solve for x
    x = 7,445,332,435,486,605/99,491,190.30
  6. Step 6: Final answer
    x = 74,834,087.45

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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.