Home / 139,044,444.12-192,040,585.20-91,571,913

Finding the Fourth Proportional to 139,044,444.12, 192,040,585.20 and 91,571,913

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Solution

The fourth proportional to 139,044,444.12, 192,040,585.20 and 91,571,913 is: 126,474,120.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,044,444.12 : 192,040,585.20 = 91,571,913 : x
  2. Step 2: Convert to fraction form
    139,044,444.12/192,040,585.20 = 91,571,913/x
  3. Step 3: Cross multiply
    139,044,444.12x = 192,040,585.20 × 91,571,913
  4. Step 4: Simplify right side
    139,044,444.12x = 17,585,523,760,403,486
  5. Step 5: Solve for x
    x = 17,585,523,760,403,486/139,044,444.12
  6. Step 6: Final answer
    x = 126,474,120.36

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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.