Home / 372,215,243.30-558,343,860.15-113,438,905.70

Finding the Fourth Proportional to 372,215,243.30, 558,343,860.15 and 113,438,905.70

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Solution

The fourth proportional to 372,215,243.30, 558,343,860.15 and 113,438,905.70 is: 170,164,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,215,243.30 : 558,343,860.15 = 113,438,905.70 : x
  2. Step 2: Convert to fraction form
    372,215,243.30/558,343,860.15 = 113,438,905.70/x
  3. Step 3: Cross multiply
    372,215,243.30x = 558,343,860.15 × 113,438,905.70
  4. Step 4: Simplify right side
    372,215,243.30x = 63,337,916,499,729,840
  5. Step 5: Solve for x
    x = 63,337,916,499,729,840/372,215,243.30
  6. Step 6: Final answer
    x = 170,164,757.19

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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.