Home / 146,739,647.20-220,109,470.80-132,630,872.80

Finding the Fourth Proportional to 146,739,647.20, 220,109,470.80 and 132,630,872.80

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Solution

The fourth proportional to 146,739,647.20, 220,109,470.80 and 132,630,872.80 is: 198,946,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739,647.20 : 220,109,470.80 = 132,630,872.80 : x
  2. Step 2: Convert to fraction form
    146,739,647.20/220,109,470.80 = 132,630,872.80/x
  3. Step 3: Cross multiply
    146,739,647.20x = 220,109,470.80 × 132,630,872.80
  4. Step 4: Simplify right side
    146,739,647.20x = 29,193,311,223,750,116
  5. Step 5: Solve for x
    x = 29,193,311,223,750,116/146,739,647.20
  6. Step 6: Final answer
    x = 198,946,309.20

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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.