Home / 76,347,906.20-114,521,859.30-39,942,229.40

Finding the Fourth Proportional to 76,347,906.20, 114,521,859.30 and 39,942,229.40

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Solution

The fourth proportional to 76,347,906.20, 114,521,859.30 and 39,942,229.40 is: 59,913,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347,906.20 : 114,521,859.30 = 39,942,229.40 : x
  2. Step 2: Convert to fraction form
    76,347,906.20/114,521,859.30 = 39,942,229.40/x
  3. Step 3: Cross multiply
    76,347,906.20x = 114,521,859.30 × 39,942,229.40
  4. Step 4: Simplify right side
    76,347,906.20x = 4,574,258,375,475,123
  5. Step 5: Solve for x
    x = 4,574,258,375,475,123/76,347,906.20
  6. Step 6: Final answer
    x = 59,913,344.10

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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.