Home / 74,704,348.80-112,056,523.20-20,851,660.80

Finding the Fourth Proportional to 74,704,348.80, 112,056,523.20 and 20,851,660.80

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Solution

The fourth proportional to 74,704,348.80, 112,056,523.20 and 20,851,660.80 is: 31,277,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704,348.80 : 112,056,523.20 = 20,851,660.80 : x
  2. Step 2: Convert to fraction form
    74,704,348.80/112,056,523.20 = 20,851,660.80/x
  3. Step 3: Cross multiply
    74,704,348.80x = 112,056,523.20 × 20,851,660.80
  4. Step 4: Simplify right side
    74,704,348.80x = 2,336,564,612,193,730.50
  5. Step 5: Solve for x
    x = 2,336,564,612,193,730.50/74,704,348.80
  6. Step 6: Final answer
    x = 31,277,491.20

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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.