Home / 121,610,940.66-167,825,813.49-69,398,936.82

Finding the Fourth Proportional to 121,610,940.66, 167,825,813.49 and 69,398,936.82

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Solution

The fourth proportional to 121,610,940.66, 167,825,813.49 and 69,398,936.82 is: 95,772,082.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,610,940.66 : 167,825,813.49 = 69,398,936.82 : x
  2. Step 2: Convert to fraction form
    121,610,940.66/167,825,813.49 = 69,398,936.82/x
  3. Step 3: Cross multiply
    121,610,940.66x = 167,825,813.49 × 69,398,936.82
  4. Step 4: Simplify right side
    121,610,940.66x = 11,646,933,027,157,614
  5. Step 5: Solve for x
    x = 11,646,933,027,157,614/121,610,940.66
  6. Step 6: Final answer
    x = 95,772,082.38

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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.