Home / 220,522,909.60-330,784,364.40-209,761,229.35

Finding the Fourth Proportional to 220,522,909.60, 330,784,364.40 and 209,761,229.35

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Solution

The fourth proportional to 220,522,909.60, 330,784,364.40 and 209,761,229.35 is: 314,641,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,522,909.60 : 330,784,364.40 = 209,761,229.35 : x
  2. Step 2: Convert to fraction form
    220,522,909.60/330,784,364.40 = 209,761,229.35/x
  3. Step 3: Cross multiply
    220,522,909.60x = 330,784,364.40 × 209,761,229.35
  4. Step 4: Simplify right side
    220,522,909.60x = 69,385,734,926,302,368
  5. Step 5: Solve for x
    x = 69,385,734,926,302,368/220,522,909.60
  6. Step 6: Final answer
    x = 314,641,844.03

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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.