Home / 195,612,076.80-293,418,115.20-131,114,822.40

Finding the Fourth Proportional to 195,612,076.80, 293,418,115.20 and 131,114,822.40

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Solution

The fourth proportional to 195,612,076.80, 293,418,115.20 and 131,114,822.40 is: 196,672,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612,076.80 : 293,418,115.20 = 131,114,822.40 : x
  2. Step 2: Convert to fraction form
    195,612,076.80/293,418,115.20 = 131,114,822.40/x
  3. Step 3: Cross multiply
    195,612,076.80x = 293,418,115.20 × 131,114,822.40
  4. Step 4: Simplify right side
    195,612,076.80x = 38,471,464,063,390,744
  5. Step 5: Solve for x
    x = 38,471,464,063,390,744/195,612,076.80
  6. Step 6: Final answer
    x = 196,672,233.60

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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.