Home / 129,614,263,008.60-194,115,629,751.30-80,080,371,629.40

Finding the Fourth Proportional to 129,614,263,008.60, 194,115,629,751.30 and 80,080,371,629.40

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Solution

The fourth proportional to 129,614,263,008.60, 194,115,629,751.30 and 80,080,371,629.40 is: 119,931,644,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,614,263,008.60 : 194,115,629,751.30 = 80,080,371,629.40 : x
  2. Step 2: Convert to fraction form
    129,614,263,008.60/194,115,629,751.30 = 80,080,371,629.40/x
  3. Step 3: Cross multiply
    129,614,263,008.60x = 194,115,629,751.30 × 80,080,371,629.40
  4. Step 4: Simplify right side
    129,614,263,008.60x = 15,544,851,769,559,116,414,976
  5. Step 5: Solve for x
    x = 15,544,851,769,559,116,414,976/129,614,263,008.60
  6. Step 6: Final answer
    x = 119,931,644,934.23

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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.