Home / 80,343,053.43-110,874,628.55-45,068,677.84

Finding the Fourth Proportional to 80,343,053.43, 110,874,628.55 and 45,068,677.84

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Solution

The fourth proportional to 80,343,053.43, 110,874,628.55 and 45,068,677.84 is: 62,195,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,343,053.43 : 110,874,628.55 = 45,068,677.84 : x
  2. Step 2: Convert to fraction form
    80,343,053.43/110,874,628.55 = 45,068,677.84/x
  3. Step 3: Cross multiply
    80,343,053.43x = 110,874,628.55 × 45,068,677.84
  4. Step 4: Simplify right side
    80,343,053.43x = 4,996,972,914,749,617
  5. Step 5: Solve for x
    x = 4,996,972,914,749,617/80,343,053.43
  6. Step 6: Final answer
    x = 62,195,456.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.