Home / 40,839,731.98-61,222,519.95-20,375,710.54

Finding the Fourth Proportional to 40,839,731.98, 61,222,519.95 and 20,375,710.54

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Solution

The fourth proportional to 40,839,731.98, 61,222,519.95 and 20,375,710.54 is: 30,545,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,839,731.98 : 61,222,519.95 = 20,375,710.54 : x
  2. Step 2: Convert to fraction form
    40,839,731.98/61,222,519.95 = 20,375,710.54/x
  3. Step 3: Cross multiply
    40,839,731.98x = 61,222,519.95 × 20,375,710.54
  4. Step 4: Simplify right side
    40,839,731.98x = 1,247,452,345,030,575.25
  5. Step 5: Solve for x
    x = 1,247,452,345,030,575.25/40,839,731.98
  6. Step 6: Final answer
    x = 30,545,066.89

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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.