Home / 81,685,992.24-112,726,671.60-45,016,563.24

Finding the Fourth Proportional to 81,685,992.24, 112,726,671.60 and 45,016,563.24

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Solution

The fourth proportional to 81,685,992.24, 112,726,671.60 and 45,016,563.24 is: 62,122,858.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,685,992.24 : 112,726,671.60 = 45,016,563.24 : x
  2. Step 2: Convert to fraction form
    81,685,992.24/112,726,671.60 = 45,016,563.24/x
  3. Step 3: Cross multiply
    81,685,992.24x = 112,726,671.60 × 45,016,563.24
  4. Step 4: Simplify right side
    81,685,992.24x = 5,074,567,340,916,112
  5. Step 5: Solve for x
    x = 5,074,567,340,916,112/81,685,992.24
  6. Step 6: Final answer
    x = 62,122,858.54

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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.