Home / 91,612,118.72-126,426,294.24-50,360,749.76

Finding the Fourth Proportional to 91,612,118.72, 126,426,294.24 and 50,360,749.76

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Solution

The fourth proportional to 91,612,118.72, 126,426,294.24 and 50,360,749.76 is: 69,498,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,612,118.72 : 126,426,294.24 = 50,360,749.76 : x
  2. Step 2: Convert to fraction form
    91,612,118.72/126,426,294.24 = 50,360,749.76/x
  3. Step 3: Cross multiply
    91,612,118.72x = 126,426,294.24 × 50,360,749.76
  4. Step 4: Simplify right side
    91,612,118.72x = 6,366,922,967,304,769
  5. Step 5: Solve for x
    x = 6,366,922,967,304,769/91,612,118.72
  6. Step 6: Final answer
    x = 69,498,697.95

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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.