Home / 129,614,262,699.60-194,115,629,287.80-80,080,371,320.40

Finding the Fourth Proportional to 129,614,262,699.60, 194,115,629,287.80 and 80,080,371,320.40

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Solution

The fourth proportional to 129,614,262,699.60, 194,115,629,287.80 and 80,080,371,320.40 is: 119,931,644,471.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,614,262,699.60 : 194,115,629,287.80 = 80,080,371,320.40 : x
  2. Step 2: Convert to fraction form
    129,614,262,699.60/194,115,629,287.80 = 80,080,371,320.40/x
  3. Step 3: Cross multiply
    129,614,262,699.60x = 194,115,629,287.80 × 80,080,371,320.40
  4. Step 4: Simplify right side
    129,614,262,699.60x = 15,544,851,672,460,135,759,872
  5. Step 5: Solve for x
    x = 15,544,851,672,460,135,759,872/129,614,262,699.60
  6. Step 6: Final answer
    x = 119,931,644,471.01

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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.