Home / 124,932,478.80-187,149,886.20-109,969,381.20

Finding the Fourth Proportional to 124,932,478.80, 187,149,886.20 and 109,969,381.20

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Solution

The fourth proportional to 124,932,478.80, 187,149,886.20 and 109,969,381.20 is: 164,735,042.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,932,478.80 : 187,149,886.20 = 109,969,381.20 : x
  2. Step 2: Convert to fraction form
    124,932,478.80/187,149,886.20 = 109,969,381.20/x
  3. Step 3: Cross multiply
    124,932,478.80x = 187,149,886.20 × 109,969,381.20
  4. Step 4: Simplify right side
    124,932,478.80x = 20,580,757,177,064,420
  5. Step 5: Solve for x
    x = 20,580,757,177,064,420/124,932,478.80
  6. Step 6: Final answer
    x = 164,735,042.28

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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.