Home / 170,156,788.80-255,361,154.40-67,994,145.60

Finding the Fourth Proportional to 170,156,788.80, 255,361,154.40 and 67,994,145.60

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Solution

The fourth proportional to 170,156,788.80, 255,361,154.40 and 67,994,145.60 is: 102,041,556.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,156,788.80 : 255,361,154.40 = 67,994,145.60 : x
  2. Step 2: Convert to fraction form
    170,156,788.80/255,361,154.40 = 67,994,145.60/x
  3. Step 3: Cross multiply
    170,156,788.80x = 255,361,154.40 × 67,994,145.60
  4. Step 4: Simplify right side
    170,156,788.80x = 17,363,063,512,857,680
  5. Step 5: Solve for x
    x = 17,363,063,512,857,680/170,156,788.80
  6. Step 6: Final answer
    x = 102,041,556.12

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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.