Home / 172,776,711.60-259,165,067.40-126,860,209.20

Finding the Fourth Proportional to 172,776,711.60, 259,165,067.40 and 126,860,209.20

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Solution

The fourth proportional to 172,776,711.60, 259,165,067.40 and 126,860,209.20 is: 190,290,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,776,711.60 : 259,165,067.40 = 126,860,209.20 : x
  2. Step 2: Convert to fraction form
    172,776,711.60/259,165,067.40 = 126,860,209.20/x
  3. Step 3: Cross multiply
    172,776,711.60x = 259,165,067.40 × 126,860,209.20
  4. Step 4: Simplify right side
    172,776,711.60x = 32,877,734,667,696,100
  5. Step 5: Solve for x
    x = 32,877,734,667,696,100/172,776,711.60
  6. Step 6: Final answer
    x = 190,290,313.80

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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.