Home / 79,451,682.94-109,696,826.21-71,052,993.31

Finding the Fourth Proportional to 79,451,682.94, 109,696,826.21 and 71,052,993.31

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Solution

The fourth proportional to 79,451,682.94, 109,696,826.21 and 71,052,993.31 is: 98,100,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451,682.94 : 109,696,826.21 = 71,052,993.31 : x
  2. Step 2: Convert to fraction form
    79,451,682.94/109,696,826.21 = 71,052,993.31/x
  3. Step 3: Cross multiply
    79,451,682.94x = 109,696,826.21 × 71,052,993.31
  4. Step 4: Simplify right side
    79,451,682.94x = 7,794,287,858,827,362
  5. Step 5: Solve for x
    x = 7,794,287,858,827,362/79,451,682.94
  6. Step 6: Final answer
    x = 98,100,978.74

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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.