Home / 263,983,122.40-396,021,922.80-110,644,679.20

Finding the Fourth Proportional to 263,983,122.40, 396,021,922.80 and 110,644,679.20

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Solution

The fourth proportional to 263,983,122.40, 396,021,922.80 and 110,644,679.20 is: 165,986,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,983,122.40 : 396,021,922.80 = 110,644,679.20 : x
  2. Step 2: Convert to fraction form
    263,983,122.40/396,021,922.80 = 110,644,679.20/x
  3. Step 3: Cross multiply
    263,983,122.40x = 396,021,922.80 × 110,644,679.20
  4. Step 4: Simplify right side
    263,983,122.40x = 43,817,718,604,373,168
  5. Step 5: Solve for x
    x = 43,817,718,604,373,168/263,983,122.40
  6. Step 6: Final answer
    x = 165,986,818.42

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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.