Home / 91,631,529.40-126,454,004.94-49,818,408.13

Finding the Fourth Proportional to 91,631,529.40, 126,454,004.94 and 49,818,408.13

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Solution

The fourth proportional to 91,631,529.40, 126,454,004.94 and 49,818,408.13 is: 68,750,759.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,631,529.40 : 126,454,004.94 = 49,818,408.13 : x
  2. Step 2: Convert to fraction form
    91,631,529.40/126,454,004.94 = 49,818,408.13/x
  3. Step 3: Cross multiply
    91,631,529.40x = 126,454,004.94 × 49,818,408.13
  4. Step 4: Simplify right side
    91,631,529.40x = 6,299,737,227,773,956
  5. Step 5: Solve for x
    x = 6,299,737,227,773,956/91,631,529.40
  6. Step 6: Final answer
    x = 68,750,759.36

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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.