Home / 40,839,730.23-61,222,517.32-20,375,708.79

Finding the Fourth Proportional to 40,839,730.23, 61,222,517.32 and 20,375,708.79

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Solution

The fourth proportional to 40,839,730.23, 61,222,517.32 and 20,375,708.79 is: 30,545,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839,730.23 : 61,222,517.32 = 20,375,708.79 : x
  2. Step 2: Convert to fraction form
    40,839,730.23/61,222,517.32 = 20,375,708.79/x
  3. Step 3: Cross multiply
    40,839,730.23x = 61,222,517.32 × 20,375,708.79
  4. Step 4: Simplify right side
    40,839,730.23x = 1,247,452,184,303,051.25
  5. Step 5: Solve for x
    x = 1,247,452,184,303,051.25/40,839,730.23
  6. Step 6: Final answer
    x = 30,545,064.26

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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.