Home / 74,306,883.42-111,416,169.75-28,252,123.61

Finding the Fourth Proportional to 74,306,883.42, 111,416,169.75 and 28,252,123.61

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Solution

The fourth proportional to 74,306,883.42, 111,416,169.75 and 28,252,123.61 is: 42,361,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,306,883.42 : 111,416,169.75 = 28,252,123.61 : x
  2. Step 2: Convert to fraction form
    74,306,883.42/111,416,169.75 = 28,252,123.61/x
  3. Step 3: Cross multiply
    74,306,883.42x = 111,416,169.75 × 28,252,123.61
  4. Step 4: Simplify right side
    74,306,883.42x = 3,147,743,399,372,662
  5. Step 5: Solve for x
    x = 3,147,743,399,372,662/74,306,883.42
  6. Step 6: Final answer
    x = 42,361,397.15

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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.