Home / 125,186,407.66-187,647,078.54-42,109,072.38

Finding the Fourth Proportional to 125,186,407.66, 187,647,078.54 and 42,109,072.38

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Solution

The fourth proportional to 125,186,407.66, 187,647,078.54 and 42,109,072.38 is: 63,119,028.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,186,407.66 : 187,647,078.54 = 42,109,072.38 : x
  2. Step 2: Convert to fraction form
    125,186,407.66/187,647,078.54 = 42,109,072.38/x
  3. Step 3: Cross multiply
    125,186,407.66x = 187,647,078.54 × 42,109,072.38
  4. Step 4: Simplify right side
    125,186,407.66x = 7,901,644,412,136,405
  5. Step 5: Solve for x
    x = 7,901,644,412,136,405/125,186,407.66
  6. Step 6: Final answer
    x = 63,119,028.33

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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.