Home / 74,394,799.20-111,393,133.20-47,321,877.60

Finding the Fourth Proportional to 74,394,799.20, 111,393,133.20 and 47,321,877.60

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Solution

The fourth proportional to 74,394,799.20, 111,393,133.20 and 47,321,877.60 is: 70,856,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,394,799.20 : 111,393,133.20 = 47,321,877.60 : x
  2. Step 2: Convert to fraction form
    74,394,799.20/111,393,133.20 = 47,321,877.60/x
  3. Step 3: Cross multiply
    74,394,799.20x = 111,393,133.20 × 47,321,877.60
  4. Step 4: Simplify right side
    74,394,799.20x = 5,271,332,214,770,897
  5. Step 5: Solve for x
    x = 5,271,332,214,770,897/74,394,799.20
  6. Step 6: Final answer
    x = 70,856,192.52

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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.