Home / 225,794,246.40-338,890,435.20-193,545,619.20

Finding the Fourth Proportional to 225,794,246.40, 338,890,435.20 and 193,545,619.20

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Solution

The fourth proportional to 225,794,246.40, 338,890,435.20 and 193,545,619.20 is: 290,489,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,794,246.40 : 338,890,435.20 = 193,545,619.20 : x
  2. Step 2: Convert to fraction form
    225,794,246.40/338,890,435.20 = 193,545,619.20/x
  3. Step 3: Cross multiply
    225,794,246.40x = 338,890,435.20 × 193,545,619.20
  4. Step 4: Simplify right side
    225,794,246.40x = 65,590,759,121,741,472
  5. Step 5: Solve for x
    x = 65,590,759,121,741,472/225,794,246.40
  6. Step 6: Final answer
    x = 290,489,063.24

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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.