Home / 220,173,390.30-330,260,085.45-66,819,200.70

Finding the Fourth Proportional to 220,173,390.30, 330,260,085.45 and 66,819,200.70

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Solution

The fourth proportional to 220,173,390.30, 330,260,085.45 and 66,819,200.70 is: 100,228,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,173,390.30 : 330,260,085.45 = 66,819,200.70 : x
  2. Step 2: Convert to fraction form
    220,173,390.30/330,260,085.45 = 66,819,200.70/x
  3. Step 3: Cross multiply
    220,173,390.30x = 330,260,085.45 × 66,819,200.70
  4. Step 4: Simplify right side
    220,173,390.30x = 22,067,714,932,882,700
  5. Step 5: Solve for x
    x = 22,067,714,932,882,700/220,173,390.30
  6. Step 6: Final answer
    x = 100,228,801.05

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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.