Home / 207,717,758.40-311,324,695.20-92,580,081.60

Finding the Fourth Proportional to 207,717,758.40, 311,324,695.20 and 92,580,081.60

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Solution

The fourth proportional to 207,717,758.40, 311,324,695.20 and 92,580,081.60 is: 138,757,831.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,717,758.40 : 311,324,695.20 = 92,580,081.60 : x
  2. Step 2: Convert to fraction form
    207,717,758.40/311,324,695.20 = 92,580,081.60/x
  3. Step 3: Cross multiply
    207,717,758.40x = 311,324,695.20 × 92,580,081.60
  4. Step 4: Simplify right side
    207,717,758.40x = 28,822,465,685,711,124
  5. Step 5: Solve for x
    x = 28,822,465,685,711,124/207,717,758.40
  6. Step 6: Final answer
    x = 138,757,831.34

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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.