Home / 178,121,359.20-267,270,512.40-70,419,496.80

Finding the Fourth Proportional to 178,121,359.20, 267,270,512.40 and 70,419,496.80

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Solution

The fourth proportional to 178,121,359.20, 267,270,512.40 and 70,419,496.80 is: 105,664,222.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,121,359.20 : 267,270,512.40 = 70,419,496.80 : x
  2. Step 2: Convert to fraction form
    178,121,359.20/267,270,512.40 = 70,419,496.80/x
  3. Step 3: Cross multiply
    178,121,359.20x = 267,270,512.40 × 70,419,496.80
  4. Step 4: Simplify right side
    178,121,359.20x = 18,821,054,992,686,160
  5. Step 5: Solve for x
    x = 18,821,054,992,686,160/178,121,359.20
  6. Step 6: Final answer
    x = 105,664,222.85

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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.