Home / 124,932,428.80-187,149,811.20-109,969,331.20

Finding the Fourth Proportional to 124,932,428.80, 187,149,811.20 and 109,969,331.20

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Solution

The fourth proportional to 124,932,428.80, 187,149,811.20 and 109,969,331.20 is: 164,734,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,932,428.80 : 187,149,811.20 = 109,969,331.20 : x
  2. Step 2: Convert to fraction form
    124,932,428.80/187,149,811.20 = 109,969,331.20/x
  3. Step 3: Cross multiply
    124,932,428.80x = 187,149,811.20 × 109,969,331.20
  4. Step 4: Simplify right side
    124,932,428.80x = 20,580,739,571,870,268
  5. Step 5: Solve for x
    x = 20,580,739,571,870,268/124,932,428.80
  6. Step 6: Final answer
    x = 164,734,967.29

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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.