Home / 41,193,766.80-61,790,650.20-31,657,280.40

Finding the Fourth Proportional to 41,193,766.80, 61,790,650.20 and 31,657,280.40

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Solution

The fourth proportional to 41,193,766.80, 61,790,650.20 and 31,657,280.40 is: 47,485,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,193,766.80 : 61,790,650.20 = 31,657,280.40 : x
  2. Step 2: Convert to fraction form
    41,193,766.80/61,790,650.20 = 31,657,280.40/x
  3. Step 3: Cross multiply
    41,193,766.80x = 61,790,650.20 × 31,657,280.40
  4. Step 4: Simplify right side
    41,193,766.80x = 1,956,123,939,479,716
  5. Step 5: Solve for x
    x = 1,956,123,939,479,716/41,193,766.80
  6. Step 6: Final answer
    x = 47,485,920.60

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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.