Home / 207,168,014.80-310,752,022.20-126,546,446.80

Finding the Fourth Proportional to 207,168,014.80, 310,752,022.20 and 126,546,446.80

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Solution

The fourth proportional to 207,168,014.80, 310,752,022.20 and 126,546,446.80 is: 189,819,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168,014.80 : 310,752,022.20 = 126,546,446.80 : x
  2. Step 2: Convert to fraction form
    207,168,014.80/310,752,022.20 = 126,546,446.80/x
  3. Step 3: Cross multiply
    207,168,014.80x = 310,752,022.20 × 126,546,446.80
  4. Step 4: Simplify right side
    207,168,014.80x = 39,324,564,245,324,720
  5. Step 5: Solve for x
    x = 39,324,564,245,324,720/207,168,014.80
  6. Step 6: Final answer
    x = 189,819,670.20

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1.5x scale

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.