Home / 129,614,262,582.60-194,115,629,112.30-80,080,371,203.40

Finding the Fourth Proportional to 129,614,262,582.60, 194,115,629,112.30 and 80,080,371,203.40

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Solution

The fourth proportional to 129,614,262,582.60, 194,115,629,112.30 and 80,080,371,203.40 is: 119,931,644,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,614,262,582.60 : 194,115,629,112.30 = 80,080,371,203.40 : x
  2. Step 2: Convert to fraction form
    129,614,262,582.60/194,115,629,112.30 = 80,080,371,203.40/x
  3. Step 3: Cross multiply
    129,614,262,582.60x = 194,115,629,112.30 × 80,080,371,203.40
  4. Step 4: Simplify right side
    129,614,262,582.60x = 15,544,851,635,694,500,577,280
  5. Step 5: Solve for x
    x = 15,544,851,635,694,500,577,280/129,614,262,582.60
  6. Step 6: Final answer
    x = 119,931,644,295.61

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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.