Home / 121,015,442.92-167,002,377.06-66,011,544.04

Finding the Fourth Proportional to 121,015,442.92, 167,002,377.06 and 66,011,544.04

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Solution

The fourth proportional to 121,015,442.92, 167,002,377.06 and 66,011,544.04 is: 91,096,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,015,442.92 : 167,002,377.06 = 66,011,544.04 : x
  2. Step 2: Convert to fraction form
    121,015,442.92/167,002,377.06 = 66,011,544.04/x
  3. Step 3: Cross multiply
    121,015,442.92x = 167,002,377.06 × 66,011,544.04
  4. Step 4: Simplify right side
    121,015,442.92x = 11,024,084,768,080,876
  5. Step 5: Solve for x
    x = 11,024,084,768,080,876/121,015,442.92
  6. Step 6: Final answer
    x = 91,096,512.16

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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.