Home / 220,589,380.80-330,884,071.20-148,029,969.60

Finding the Fourth Proportional to 220,589,380.80, 330,884,071.20 and 148,029,969.60

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Solution

The fourth proportional to 220,589,380.80, 330,884,071.20 and 148,029,969.60 is: 222,044,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,589,380.80 : 330,884,071.20 = 148,029,969.60 : x
  2. Step 2: Convert to fraction form
    220,589,380.80/330,884,071.20 = 148,029,969.60/x
  3. Step 3: Cross multiply
    220,589,380.80x = 330,884,071.20 × 148,029,969.60
  4. Step 4: Simplify right side
    220,589,380.80x = 48,980,759,000,860,232
  5. Step 5: Solve for x
    x = 48,980,759,000,860,232/220,589,380.80
  6. Step 6: Final answer
    x = 222,044,954.40

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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.