Home / 139,044,408.12-192,040,535.52-91,571,877

Finding the Fourth Proportional to 139,044,408.12, 192,040,535.52 and 91,571,877

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Solution

The fourth proportional to 139,044,408.12, 192,040,535.52 and 91,571,877 is: 126,474,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,044,408.12 : 192,040,535.52 = 91,571,877 : x
  2. Step 2: Convert to fraction form
    139,044,408.12/192,040,535.52 = 91,571,877/x
  3. Step 3: Cross multiply
    139,044,408.12x = 192,040,535.52 × 91,571,877
  4. Step 4: Simplify right side
    139,044,408.12x = 17,585,512,297,651,572
  5. Step 5: Solve for x
    x = 17,585,512,297,651,572/139,044,408.12
  6. Step 6: Final answer
    x = 126,474,070.66

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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.