Home / 263,983,139.40-396,021,948.30-110,644,696.20

Finding the Fourth Proportional to 263,983,139.40, 396,021,948.30 and 110,644,696.20

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Solution

The fourth proportional to 263,983,139.40, 396,021,948.30 and 110,644,696.20 is: 165,986,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,983,139.40 : 396,021,948.30 = 110,644,696.20 : x
  2. Step 2: Convert to fraction form
    263,983,139.40/396,021,948.30 = 110,644,696.20/x
  3. Step 3: Cross multiply
    263,983,139.40x = 396,021,948.30 × 110,644,696.20
  4. Step 4: Simplify right side
    263,983,139.40x = 43,817,728,158,185,608
  5. Step 5: Solve for x
    x = 43,817,728,158,185,608/263,983,139.40
  6. Step 6: Final answer
    x = 165,986,843.92

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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.