Home / 117,626,422.80-176,439,634.20-40,923,958.80

Finding the Fourth Proportional to 117,626,422.80, 176,439,634.20 and 40,923,958.80

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Solution

The fourth proportional to 117,626,422.80, 176,439,634.20 and 40,923,958.80 is: 61,385,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626,422.80 : 176,439,634.20 = 40,923,958.80 : x
  2. Step 2: Convert to fraction form
    117,626,422.80/176,439,634.20 = 40,923,958.80/x
  3. Step 3: Cross multiply
    117,626,422.80x = 176,439,634.20 × 40,923,958.80
  4. Step 4: Simplify right side
    117,626,422.80x = 7,220,608,320,687,870
  5. Step 5: Solve for x
    x = 7,220,608,320,687,870/117,626,422.80
  6. Step 6: Final answer
    x = 61,385,938.20

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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.