Home / 41,317,674.80-61,976,512.20-31,781,188.40

Finding the Fourth Proportional to 41,317,674.80, 61,976,512.20 and 31,781,188.40

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Solution

The fourth proportional to 41,317,674.80, 61,976,512.20 and 31,781,188.40 is: 47,671,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,317,674.80 : 61,976,512.20 = 31,781,188.40 : x
  2. Step 2: Convert to fraction form
    41,317,674.80/61,976,512.20 = 31,781,188.40/x
  3. Step 3: Cross multiply
    41,317,674.80x = 61,976,512.20 × 31,781,188.40
  4. Step 4: Simplify right side
    41,317,674.80x = 1,969,687,210,603,098.50
  5. Step 5: Solve for x
    x = 1,969,687,210,603,098.50/41,317,674.80
  6. Step 6: Final answer
    x = 47,671,782.60

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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.