Home / 220,185,489.80-330,278,234.70-90,726,462.20

Finding the Fourth Proportional to 220,185,489.80, 330,278,234.70 and 90,726,462.20

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Solution

The fourth proportional to 220,185,489.80, 330,278,234.70 and 90,726,462.20 is: 136,089,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185,489.80 : 330,278,234.70 = 90,726,462.20 : x
  2. Step 2: Convert to fraction form
    220,185,489.80/330,278,234.70 = 90,726,462.20/x
  3. Step 3: Cross multiply
    220,185,489.80x = 330,278,234.70 × 90,726,462.20
  4. Step 4: Simplify right side
    220,185,489.80x = 29,964,975,775,992,280
  5. Step 5: Solve for x
    x = 29,964,975,775,992,280/220,185,489.80
  6. Step 6: Final answer
    x = 136,089,693.30

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1.5x scale

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.