Home / 230,618,714.12-318,253,812.72-126,196,797.88

Finding the Fourth Proportional to 230,618,714.12, 318,253,812.72 and 126,196,797.88

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Solution

The fourth proportional to 230,618,714.12, 318,253,812.72 and 126,196,797.88 is: 174,151,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,618,714.12 : 318,253,812.72 = 126,196,797.88 : x
  2. Step 2: Convert to fraction form
    230,618,714.12/318,253,812.72 = 126,196,797.88/x
  3. Step 3: Cross multiply
    230,618,714.12x = 318,253,812.72 × 126,196,797.88
  4. Step 4: Simplify right side
    230,618,714.12x = 40,162,612,078,365,216
  5. Step 5: Solve for x
    x = 40,162,612,078,365,216/230,618,714.12
  6. Step 6: Final answer
    x = 174,151,574.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.