Home / 103,010,125.38-154,646,302.50-66,770,163.24

Finding the Fourth Proportional to 103,010,125.38, 154,646,302.50 and 66,770,163.24

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Solution

The fourth proportional to 103,010,125.38, 154,646,302.50 and 66,770,163.24 is: 100,240,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,010,125.38 : 154,646,302.50 = 66,770,163.24 : x
  2. Step 2: Convert to fraction form
    103,010,125.38/154,646,302.50 = 66,770,163.24/x
  3. Step 3: Cross multiply
    103,010,125.38x = 154,646,302.50 × 66,770,163.24
  4. Step 4: Simplify right side
    103,010,125.38x = 10,325,758,862,387,420
  5. Step 5: Solve for x
    x = 10,325,758,862,387,420/103,010,125.38
  6. Step 6: Final answer
    x = 100,240,231.96

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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.