Home / 110,741,246.80-166,111,870.20-80,130,245.20

Finding the Fourth Proportional to 110,741,246.80, 166,111,870.20 and 80,130,245.20

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Solution

The fourth proportional to 110,741,246.80, 166,111,870.20 and 80,130,245.20 is: 120,195,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,741,246.80 : 166,111,870.20 = 80,130,245.20 : x
  2. Step 2: Convert to fraction form
    110,741,246.80/166,111,870.20 = 80,130,245.20/x
  3. Step 3: Cross multiply
    110,741,246.80x = 166,111,870.20 × 80,130,245.20
  4. Step 4: Simplify right side
    110,741,246.80x = 13,310,584,889,756,572
  5. Step 5: Solve for x
    x = 13,310,584,889,756,572/110,741,246.80
  6. Step 6: Final answer
    x = 120,195,367.80

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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.