Home / 220,141,454.80-330,212,182.20-147,582,043.60

Finding the Fourth Proportional to 220,141,454.80, 330,212,182.20 and 147,582,043.60

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Solution

The fourth proportional to 220,141,454.80, 330,212,182.20 and 147,582,043.60 is: 221,373,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,141,454.80 : 330,212,182.20 = 147,582,043.60 : x
  2. Step 2: Convert to fraction form
    220,141,454.80/330,212,182.20 = 147,582,043.60/x
  3. Step 3: Cross multiply
    220,141,454.80x = 330,212,182.20 × 147,582,043.60
  4. Step 4: Simplify right side
    220,141,454.80x = 48,733,388,670,691,544
  5. Step 5: Solve for x
    x = 48,733,388,670,691,544/220,141,454.80
  6. Step 6: Final answer
    x = 221,373,065.40

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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.