Home / 295,116,812.20-442,675,218.30-172,672,805.80

Finding the Fourth Proportional to 295,116,812.20, 442,675,218.30 and 172,672,805.80

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Solution

The fourth proportional to 295,116,812.20, 442,675,218.30 and 172,672,805.80 is: 259,009,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,116,812.20 : 442,675,218.30 = 172,672,805.80 : x
  2. Step 2: Convert to fraction form
    295,116,812.20/442,675,218.30 = 172,672,805.80/x
  3. Step 3: Cross multiply
    295,116,812.20x = 442,675,218.30 × 172,672,805.80
  4. Step 4: Simplify right side
    295,116,812.20x = 76,437,972,001,988,512
  5. Step 5: Solve for x
    x = 76,437,972,001,988,512/295,116,812.20
  6. Step 6: Final answer
    x = 259,009,208.70

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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.