Home / 269,480,903.40-404,410,311.90-172,672,036.20

Finding the Fourth Proportional to 269,480,903.40, 404,410,311.90 and 172,672,036.20

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Solution

The fourth proportional to 269,480,903.40, 404,410,311.90 and 172,672,036.20 is: 259,129,129.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,480,903.40 : 404,410,311.90 = 172,672,036.20 : x
  2. Step 2: Convert to fraction form
    269,480,903.40/404,410,311.90 = 172,672,036.20/x
  3. Step 3: Cross multiply
    269,480,903.40x = 404,410,311.90 × 172,672,036.20
  4. Step 4: Simplify right side
    269,480,903.40x = 69,830,352,016,050,080
  5. Step 5: Solve for x
    x = 69,830,352,016,050,080/269,480,903.40
  6. Step 6: Final answer
    x = 259,129,129.88

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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.