Home / 76,572,403.20-114,869,102.40-25,449,091.20

Finding the Fourth Proportional to 76,572,403.20, 114,869,102.40 and 25,449,091.20

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Solution

The fourth proportional to 76,572,403.20, 114,869,102.40 and 25,449,091.20 is: 38,177,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,572,403.20 : 114,869,102.40 = 25,449,091.20 : x
  2. Step 2: Convert to fraction form
    76,572,403.20/114,869,102.40 = 25,449,091.20/x
  3. Step 3: Cross multiply
    76,572,403.20x = 114,869,102.40 × 25,449,091.20
  4. Step 4: Simplify right side
    76,572,403.20x = 2,923,314,263,039,739
  5. Step 5: Solve for x
    x = 2,923,314,263,039,739/76,572,403.20
  6. Step 6: Final answer
    x = 38,177,125.71

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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.