Home / 392,133,064.75-588,101,575.75-115,729,419.67

Finding the Fourth Proportional to 392,133,064.75, 588,101,575.75 and 115,729,419.67

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Solution

The fourth proportional to 392,133,064.75, 588,101,575.75 and 115,729,419.67 is: 173,565,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,133,064.75 : 588,101,575.75 = 115,729,419.67 : x
  2. Step 2: Convert to fraction form
    392,133,064.75/588,101,575.75 = 115,729,419.67/x
  3. Step 3: Cross multiply
    392,133,064.75x = 588,101,575.75 × 115,729,419.67
  4. Step 4: Simplify right side
    392,133,064.75x = 68,060,654,066,800,464
  5. Step 5: Solve for x
    x = 68,060,654,066,800,464/392,133,064.75
  6. Step 6: Final answer
    x = 173,565,200.66

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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.