Home / 112,015,228.20-167,686,919.10-66,553,621.80

Finding the Fourth Proportional to 112,015,228.20, 167,686,919.10 and 66,553,621.80

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Solution

The fourth proportional to 112,015,228.20, 167,686,919.10 and 66,553,621.80 is: 99,630,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,015,228.20 : 167,686,919.10 = 66,553,621.80 : x
  2. Step 2: Convert to fraction form
    112,015,228.20/167,686,919.10 = 66,553,621.80/x
  3. Step 3: Cross multiply
    112,015,228.20x = 167,686,919.10 × 66,553,621.80
  4. Step 4: Simplify right side
    112,015,228.20x = 11,160,171,794,588,596
  5. Step 5: Solve for x
    x = 11,160,171,794,588,596/112,015,228.20
  6. Step 6: Final answer
    x = 99,630,844.61

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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.