Home / 97,808,944.80-146,365,052.40-85,168,279.20

Finding the Fourth Proportional to 97,808,944.80, 146,365,052.40 and 85,168,279.20

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Solution

The fourth proportional to 97,808,944.80, 146,365,052.40 and 85,168,279.20 is: 127,449,076.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,808,944.80 : 146,365,052.40 = 85,168,279.20 : x
  2. Step 2: Convert to fraction form
    97,808,944.80/146,365,052.40 = 85,168,279.20/x
  3. Step 3: Cross multiply
    97,808,944.80x = 146,365,052.40 × 85,168,279.20
  4. Step 4: Simplify right side
    97,808,944.80x = 12,465,659,647,925,832
  5. Step 5: Solve for x
    x = 12,465,659,647,925,832/97,808,944.80
  6. Step 6: Final answer
    x = 127,449,076.09

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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.