Home / 126,012,990.60-188,795,537.10-108,097,086.60

Finding the Fourth Proportional to 126,012,990.60, 188,795,537.10 and 108,097,086.60

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Solution

The fourth proportional to 126,012,990.60, 188,795,537.10 and 108,097,086.60 is: 161,953,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012,990.60 : 188,795,537.10 = 108,097,086.60 : x
  2. Step 2: Convert to fraction form
    126,012,990.60/188,795,537.10 = 108,097,086.60/x
  3. Step 3: Cross multiply
    126,012,990.60x = 188,795,537.10 × 108,097,086.60
  4. Step 4: Simplify right side
    126,012,990.60x = 20,408,247,523,592,212
  5. Step 5: Solve for x
    x = 20,408,247,523,592,212/126,012,990.60
  6. Step 6: Final answer
    x = 161,953,521.03

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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.