Home / 138,093,999.61-207,168,287.02-50,656,328.46

Finding the Fourth Proportional to 138,093,999.61, 207,168,287.02 and 50,656,328.46

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Solution

The fourth proportional to 138,093,999.61, 207,168,287.02 and 50,656,328.46 is: 75,994,502.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,093,999.61 : 207,168,287.02 = 50,656,328.46 : x
  2. Step 2: Convert to fraction form
    138,093,999.61/207,168,287.02 = 50,656,328.46/x
  3. Step 3: Cross multiply
    138,093,999.61x = 207,168,287.02 × 50,656,328.46
  4. Step 4: Simplify right side
    138,093,999.61x = 10,494,384,794,042,474
  5. Step 5: Solve for x
    x = 10,494,384,794,042,474/138,093,999.61
  6. Step 6: Final answer
    x = 75,994,502.47

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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.