Home / 91,245,247.87-136,876,286.28-29,834,721.51

Finding the Fourth Proportional to 91,245,247.87, 136,876,286.28 and 29,834,721.51

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Solution

The fourth proportional to 91,245,247.87, 136,876,286.28 and 29,834,721.51 is: 44,754,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,245,247.87 : 136,876,286.28 = 29,834,721.51 : x
  2. Step 2: Convert to fraction form
    91,245,247.87/136,876,286.28 = 29,834,721.51/x
  3. Step 3: Cross multiply
    91,245,247.87x = 136,876,286.28 × 29,834,721.51
  4. Step 4: Simplify right side
    91,245,247.87x = 4,083,665,882,235,809
  5. Step 5: Solve for x
    x = 4,083,665,882,235,809/91,245,247.87
  6. Step 6: Final answer
    x = 44,754,833.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.