Home / 74,681,791.96-111,958,792.38-28,656,690.04

Finding the Fourth Proportional to 74,681,791.96, 111,958,792.38 and 28,656,690.04

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Solution

The fourth proportional to 74,681,791.96, 111,958,792.38 and 28,656,690.04 is: 42,960,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,681,791.96 : 111,958,792.38 = 28,656,690.04 : x
  2. Step 2: Convert to fraction form
    74,681,791.96/111,958,792.38 = 28,656,690.04/x
  3. Step 3: Cross multiply
    74,681,791.96x = 111,958,792.38 × 28,656,690.04
  4. Step 4: Simplify right side
    74,681,791.96x = 3,208,368,410,486,373.50
  5. Step 5: Solve for x
    x = 3,208,368,410,486,373.50/74,681,791.96
  6. Step 6: Final answer
    x = 42,960,517.23

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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.