Home / 132,545,378.64-198,829,560.36-40,449,852.72

Finding the Fourth Proportional to 132,545,378.64, 198,829,560.36 and 40,449,852.72

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Solution

The fourth proportional to 132,545,378.64, 198,829,560.36 and 40,449,852.72 is: 60,678,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545,378.64 : 198,829,560.36 = 40,449,852.72 : x
  2. Step 2: Convert to fraction form
    132,545,378.64/198,829,560.36 = 40,449,852.72/x
  3. Step 3: Cross multiply
    132,545,378.64x = 198,829,560.36 × 40,449,852.72
  4. Step 4: Simplify right side
    132,545,378.64x = 8,042,626,432,944,351
  5. Step 5: Solve for x
    x = 8,042,626,432,944,351/132,545,378.64
  6. Step 6: Final answer
    x = 60,678,286.30

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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.