Home / 75,805,055.10-104,610,976.21-40,997,745.54

Finding the Fourth Proportional to 75,805,055.10, 104,610,976.21 and 40,997,745.54

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Solution

The fourth proportional to 75,805,055.10, 104,610,976.21 and 40,997,745.54 is: 56,576,888.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,805,055.10 : 104,610,976.21 = 40,997,745.54 : x
  2. Step 2: Convert to fraction form
    75,805,055.10/104,610,976.21 = 40,997,745.54/x
  3. Step 3: Cross multiply
    75,805,055.10x = 104,610,976.21 × 40,997,745.54
  4. Step 4: Simplify right side
    75,805,055.10x = 4,288,814,183,246,079
  5. Step 5: Solve for x
    x = 4,288,814,183,246,079/75,805,055.10
  6. Step 6: Final answer
    x = 56,576,888.93

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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.