Home / 75,385,245.74-113,084,381.78-20,797,831.32

Finding the Fourth Proportional to 75,385,245.74, 113,084,381.78 and 20,797,831.32

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Solution

The fourth proportional to 75,385,245.74, 113,084,381.78 and 20,797,831.32 is: 31,198,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,385,245.74 : 113,084,381.78 = 20,797,831.32 : x
  2. Step 2: Convert to fraction form
    75,385,245.74/113,084,381.78 = 20,797,831.32/x
  3. Step 3: Cross multiply
    75,385,245.74x = 113,084,381.78 × 20,797,831.32
  4. Step 4: Simplify right side
    75,385,245.74x = 2,351,909,897,186,921.50
  5. Step 5: Solve for x
    x = 2,351,909,897,186,921.50/75,385,245.74
  6. Step 6: Final answer
    x = 31,198,543.88

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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.