Home / 113,944,178.80-157,086,793.56-72,107,432.56

Finding the Fourth Proportional to 113,944,178.80, 157,086,793.56 and 72,107,432.56

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Solution

The fourth proportional to 113,944,178.80, 157,086,793.56 and 72,107,432.56 is: 99,409,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,944,178.80 : 157,086,793.56 = 72,107,432.56 : x
  2. Step 2: Convert to fraction form
    113,944,178.80/157,086,793.56 = 72,107,432.56/x
  3. Step 3: Cross multiply
    113,944,178.80x = 157,086,793.56 × 72,107,432.56
  4. Step 4: Simplify right side
    113,944,178.80x = 11,327,125,372,694,342
  5. Step 5: Solve for x
    x = 11,327,125,372,694,342/113,944,178.80
  6. Step 6: Final answer
    x = 99,409,425.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.