Home / 260,809,675.20-391,214,512.80-170,110,411.20

Finding the Fourth Proportional to 260,809,675.20, 391,214,512.80 and 170,110,411.20

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Solution

The fourth proportional to 260,809,675.20, 391,214,512.80 and 170,110,411.20 is: 255,165,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,809,675.20 : 391,214,512.80 = 170,110,411.20 : x
  2. Step 2: Convert to fraction form
    260,809,675.20/391,214,512.80 = 170,110,411.20/x
  3. Step 3: Cross multiply
    260,809,675.20x = 391,214,512.80 × 170,110,411.20
  4. Step 4: Simplify right side
    260,809,675.20x = 66,549,661,639,815,664
  5. Step 5: Solve for x
    x = 66,549,661,639,815,664/260,809,675.20
  6. Step 6: Final answer
    x = 255,165,616.80

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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.