Home / 91,349,809.44-136,990,565.28-36,743,942.40

Finding the Fourth Proportional to 91,349,809.44, 136,990,565.28 and 36,743,942.40

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Solution

The fourth proportional to 91,349,809.44, 136,990,565.28 and 36,743,942.40 is: 55,102,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,349,809.44 : 136,990,565.28 = 36,743,942.40 : x
  2. Step 2: Convert to fraction form
    91,349,809.44/136,990,565.28 = 36,743,942.40/x
  3. Step 3: Cross multiply
    91,349,809.44x = 136,990,565.28 × 36,743,942.40
  4. Step 4: Simplify right side
    91,349,809.44x = 5,033,573,439,991,760
  5. Step 5: Solve for x
    x = 5,033,573,439,991,760/91,349,809.44
  6. Step 6: Final answer
    x = 55,102,177.78

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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.