Home / 106,505,131.11-146,965,884.20-61,842,372.76

Finding the Fourth Proportional to 106,505,131.11, 146,965,884.20 and 61,842,372.76

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Solution

The fourth proportional to 106,505,131.11, 146,965,884.20 and 61,842,372.76 is: 85,335,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505,131.11 : 146,965,884.20 = 61,842,372.76 : x
  2. Step 2: Convert to fraction form
    106,505,131.11/146,965,884.20 = 61,842,372.76/x
  3. Step 3: Cross multiply
    106,505,131.11x = 146,965,884.20 × 61,842,372.76
  4. Step 4: Simplify right side
    106,505,131.11x = 9,088,718,994,221,414
  5. Step 5: Solve for x
    x = 9,088,718,994,221,414/106,505,131.11
  6. Step 6: Final answer
    x = 85,335,973.02

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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.