Home / 220,062,405.60-330,093,608.40-203,434,207.20

Finding the Fourth Proportional to 220,062,405.60, 330,093,608.40 and 203,434,207.20

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Solution

The fourth proportional to 220,062,405.60, 330,093,608.40 and 203,434,207.20 is: 305,151,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,062,405.60 : 330,093,608.40 = 203,434,207.20 : x
  2. Step 2: Convert to fraction form
    220,062,405.60/330,093,608.40 = 203,434,207.20/x
  3. Step 3: Cross multiply
    220,062,405.60x = 330,093,608.40 × 203,434,207.20
  4. Step 4: Simplify right side
    220,062,405.60x = 67,152,331,526,641,248
  5. Step 5: Solve for x
    x = 67,152,331,526,641,248/220,062,405.60
  6. Step 6: Final answer
    x = 305,151,310.80

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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.