Home / 74,148,633.60-111,222,950.40-71,125,324.80

Finding the Fourth Proportional to 74,148,633.60, 111,222,950.40 and 71,125,324.80

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Solution

The fourth proportional to 74,148,633.60, 111,222,950.40 and 71,125,324.80 is: 106,687,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,148,633.60 : 111,222,950.40 = 71,125,324.80 : x
  2. Step 2: Convert to fraction form
    74,148,633.60/111,222,950.40 = 71,125,324.80/x
  3. Step 3: Cross multiply
    74,148,633.60x = 111,222,950.40 × 71,125,324.80
  4. Step 4: Simplify right side
    74,148,633.60x = 7,910,768,472,414,290
  5. Step 5: Solve for x
    x = 7,910,768,472,414,290/74,148,633.60
  6. Step 6: Final answer
    x = 106,687,987.20

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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.