Home / 220,542,548.80-330,813,823.20-217,141,326.40

Finding the Fourth Proportional to 220,542,548.80, 330,813,823.20 and 217,141,326.40

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Solution

The fourth proportional to 220,542,548.80, 330,813,823.20 and 217,141,326.40 is: 325,711,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,542,548.80 : 330,813,823.20 = 217,141,326.40 : x
  2. Step 2: Convert to fraction form
    220,542,548.80/330,813,823.20 = 217,141,326.40/x
  3. Step 3: Cross multiply
    220,542,548.80x = 330,813,823.20 × 217,141,326.40
  4. Step 4: Simplify right side
    220,542,548.80x = 71,833,352,361,103,088
  5. Step 5: Solve for x
    x = 71,833,352,361,103,088/220,542,548.80
  6. Step 6: Final answer
    x = 325,711,989.60

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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.