Home / 269,421,906.60-404,132,859.90-172,566,784.35

Finding the Fourth Proportional to 269,421,906.60, 404,132,859.90 and 172,566,784.35

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Solution

The fourth proportional to 269,421,906.60, 404,132,859.90 and 172,566,784.35 is: 258,850,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,421,906.60 : 404,132,859.90 = 172,566,784.35 : x
  2. Step 2: Convert to fraction form
    269,421,906.60/404,132,859.90 = 172,566,784.35/x
  3. Step 3: Cross multiply
    269,421,906.60x = 404,132,859.90 × 172,566,784.35
  4. Step 4: Simplify right side
    269,421,906.60x = 69,739,908,083,112,056
  5. Step 5: Solve for x
    x = 69,739,908,083,112,056/269,421,906.60
  6. Step 6: Final answer
    x = 258,850,176.53

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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.