Home / 187,597,381.60-281,396,072.40-115,933,765.60

Finding the Fourth Proportional to 187,597,381.60, 281,396,072.40 and 115,933,765.60

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Solution

The fourth proportional to 187,597,381.60, 281,396,072.40 and 115,933,765.60 is: 173,900,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,597,381.60 : 281,396,072.40 = 115,933,765.60 : x
  2. Step 2: Convert to fraction form
    187,597,381.60/281,396,072.40 = 115,933,765.60/x
  3. Step 3: Cross multiply
    187,597,381.60x = 281,396,072.40 × 115,933,765.60
  4. Step 4: Simplify right side
    187,597,381.60x = 32,623,306,298,382,224
  5. Step 5: Solve for x
    x = 32,623,306,298,382,224/187,597,381.60
  6. Step 6: Final answer
    x = 173,900,648.40

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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.