Home / 109,691,640.60-164,579,451.30-107,970,034.20

Finding the Fourth Proportional to 109,691,640.60, 164,579,451.30 and 107,970,034.20

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Solution

The fourth proportional to 109,691,640.60, 164,579,451.30 and 107,970,034.20 is: 161,996,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,691,640.60 : 164,579,451.30 = 107,970,034.20 : x
  2. Step 2: Convert to fraction form
    109,691,640.60/164,579,451.30 = 107,970,034.20/x
  3. Step 3: Cross multiply
    109,691,640.60x = 164,579,451.30 × 107,970,034.20
  4. Step 4: Simplify right side
    109,691,640.60x = 17,769,648,985,478,236
  5. Step 5: Solve for x
    x = 17,769,648,985,478,236/109,691,640.60
  6. Step 6: Final answer
    x = 161,996,382.66

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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.