Home / 125,018,563.05-187,534,930.46-38,769,231.69

Finding the Fourth Proportional to 125,018,563.05, 187,534,930.46 and 38,769,231.69

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Solution

The fourth proportional to 125,018,563.05, 187,534,930.46 and 38,769,231.69 is: 58,156,044.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,018,563.05 : 187,534,930.46 = 38,769,231.69 : x
  2. Step 2: Convert to fraction form
    125,018,563.05/187,534,930.46 = 38,769,231.69/x
  3. Step 3: Cross multiply
    125,018,563.05x = 187,534,930.46 × 38,769,231.69
  4. Step 4: Simplify right side
    125,018,563.05x = 7,270,585,168,777,932
  5. Step 5: Solve for x
    x = 7,270,585,168,777,932/125,018,563.05
  6. Step 6: Final answer
    x = 58,156,044.92

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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.