Home / 295,115,881.20-442,673,821.80-172,671,874.80

Finding the Fourth Proportional to 295,115,881.20, 442,673,821.80 and 172,671,874.80

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Solution

The fourth proportional to 295,115,881.20, 442,673,821.80 and 172,671,874.80 is: 259,007,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,115,881.20 : 442,673,821.80 = 172,671,874.80 : x
  2. Step 2: Convert to fraction form
    295,115,881.20/442,673,821.80 = 172,671,874.80/x
  3. Step 3: Cross multiply
    295,115,881.20x = 442,673,821.80 × 172,671,874.80
  4. Step 4: Simplify right side
    295,115,881.20x = 76,437,318,735,087,120
  5. Step 5: Solve for x
    x = 76,437,318,735,087,120/295,115,881.20
  6. Step 6: Final answer
    x = 259,007,812.20

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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.