Home / 47,521,229.64-71,311,831.26-20,227,478.55

Finding the Fourth Proportional to 47,521,229.64, 71,311,831.26 and 20,227,478.55

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Solution

The fourth proportional to 47,521,229.64, 71,311,831.26 and 20,227,478.55 is: 30,353,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,521,229.64 : 71,311,831.26 = 20,227,478.55 : x
  2. Step 2: Convert to fraction form
    47,521,229.64/71,311,831.26 = 20,227,478.55/x
  3. Step 3: Cross multiply
    47,521,229.64x = 71,311,831.26 × 20,227,478.55
  4. Step 4: Simplify right side
    47,521,229.64x = 1,442,458,537,172,869.75
  5. Step 5: Solve for x
    x = 1,442,458,537,172,869.75/47,521,229.64
  6. Step 6: Final answer
    x = 30,353,981.75

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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.