Home / 83,759,576.40-125,741,716.20-47,393,265.60

Finding the Fourth Proportional to 83,759,576.40, 125,741,716.20 and 47,393,265.60

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Solution

The fourth proportional to 83,759,576.40, 125,741,716.20 and 47,393,265.60 is: 71,147,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,759,576.40 : 125,741,716.20 = 47,393,265.60 : x
  2. Step 2: Convert to fraction form
    83,759,576.40/125,741,716.20 = 47,393,265.60/x
  3. Step 3: Cross multiply
    83,759,576.40x = 125,741,716.20 × 47,393,265.60
  4. Step 4: Simplify right side
    83,759,576.40x = 5,959,310,552,866,423
  5. Step 5: Solve for x
    x = 5,959,310,552,866,423/83,759,576.40
  6. Step 6: Final answer
    x = 71,147,811.50

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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.