Home / 91,315,944.28-126,015,972.76-50,061,950.92

Finding the Fourth Proportional to 91,315,944.28, 126,015,972.76 and 50,061,950.92

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Solution

The fourth proportional to 91,315,944.28, 126,015,972.76 and 50,061,950.92 is: 69,085,475.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,315,944.28 : 126,015,972.76 = 50,061,950.92 : x
  2. Step 2: Convert to fraction form
    91,315,944.28/126,015,972.76 = 50,061,950.92/x
  3. Step 3: Cross multiply
    91,315,944.28x = 126,015,972.76 × 50,061,950.92
  4. Step 4: Simplify right side
    91,315,944.28x = 6,308,605,443,447,177
  5. Step 5: Solve for x
    x = 6,308,605,443,447,177/91,315,944.28
  6. Step 6: Final answer
    x = 69,085,475.63

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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.