Home / 111,731,712.30-167,597,568.45-54,336,084.30

Finding the Fourth Proportional to 111,731,712.30, 167,597,568.45 and 54,336,084.30

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Solution

The fourth proportional to 111,731,712.30, 167,597,568.45 and 54,336,084.30 is: 81,504,126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731,712.30 : 167,597,568.45 = 54,336,084.30 : x
  2. Step 2: Convert to fraction form
    111,731,712.30/167,597,568.45 = 54,336,084.30/x
  3. Step 3: Cross multiply
    111,731,712.30x = 167,597,568.45 × 54,336,084.30
  4. Step 4: Simplify right side
    111,731,712.30x = 9,106,595,607,774,220
  5. Step 5: Solve for x
    x = 9,106,595,607,774,220/111,731,712.30
  6. Step 6: Final answer
    x = 81,504,126.45

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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.