Home / 116,876,181.36-161,249,963.28-67,315,562.64

Finding the Fourth Proportional to 116,876,181.36, 161,249,963.28 and 67,315,562.64

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Solution

The fourth proportional to 116,876,181.36, 161,249,963.28 and 67,315,562.64 is: 92,872,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,876,181.36 : 161,249,963.28 = 67,315,562.64 : x
  2. Step 2: Convert to fraction form
    116,876,181.36/161,249,963.28 = 67,315,562.64/x
  3. Step 3: Cross multiply
    116,876,181.36x = 161,249,963.28 × 67,315,562.64
  4. Step 4: Simplify right side
    116,876,181.36x = 10,854,632,003,872,540
  5. Step 5: Solve for x
    x = 10,854,632,003,872,540/116,876,181.36
  6. Step 6: Final answer
    x = 92,872,917.97

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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.