Home / 220,193,095.20-330,279,145.20-74,612,378.40

Finding the Fourth Proportional to 220,193,095.20, 330,279,145.20 and 74,612,378.40

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Solution

The fourth proportional to 220,193,095.20, 330,279,145.20 and 74,612,378.40 is: 111,915,010.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,193,095.20 : 330,279,145.20 = 74,612,378.40 : x
  2. Step 2: Convert to fraction form
    220,193,095.20/330,279,145.20 = 74,612,378.40/x
  3. Step 3: Cross multiply
    220,193,095.20x = 330,279,145.20 × 74,612,378.40
  4. Step 4: Simplify right side
    220,193,095.20x = 24,642,912,559,290,944
  5. Step 5: Solve for x
    x = 24,642,912,559,290,944/220,193,095.20
  6. Step 6: Final answer
    x = 111,915,010.49

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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.