Home / 74,550,458.40-111,825,687.60-19,971,467.70

Finding the Fourth Proportional to 74,550,458.40, 111,825,687.60 and 19,971,467.70

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Solution

The fourth proportional to 74,550,458.40, 111,825,687.60 and 19,971,467.70 is: 29,957,201.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550,458.40 : 111,825,687.60 = 19,971,467.70 : x
  2. Step 2: Convert to fraction form
    74,550,458.40/111,825,687.60 = 19,971,467.70/x
  3. Step 3: Cross multiply
    74,550,458.40x = 111,825,687.60 × 19,971,467.70
  4. Step 4: Simplify right side
    74,550,458.40x = 2,233,323,107,933,690.25
  5. Step 5: Solve for x
    x = 2,233,323,107,933,690.25/74,550,458.40
  6. Step 6: Final answer
    x = 29,957,201.55

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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.