Home / 140,962,368,612.20-211,443,552,918.30-129,207,743,997.80

Finding the Fourth Proportional to 140,962,368,612.20, 211,443,552,918.30 and 129,207,743,997.80

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Solution

The fourth proportional to 140,962,368,612.20, 211,443,552,918.30 and 129,207,743,997.80 is: 193,811,615,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,962,368,612.20 : 211,443,552,918.30 = 129,207,743,997.80 : x
  2. Step 2: Convert to fraction form
    140,962,368,612.20/211,443,552,918.30 = 129,207,743,997.80/x
  3. Step 3: Cross multiply
    140,962,368,612.20x = 211,443,552,918.30 × 129,207,743,997.80
  4. Step 4: Simplify right side
    140,962,368,612.20x = 27,320,144,455,452,982,247,424
  5. Step 5: Solve for x
    x = 27,320,144,455,452,982,247,424/140,962,368,612.20
  6. Step 6: Final answer
    x = 193,811,615,996.70

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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.