Home / 123,867,633.78-170,937,999.27-68,116,649.22

Finding the Fourth Proportional to 123,867,633.78, 170,937,999.27 and 68,116,649.22

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Solution

The fourth proportional to 123,867,633.78, 170,937,999.27 and 68,116,649.22 is: 94,001,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,867,633.78 : 170,937,999.27 = 68,116,649.22 : x
  2. Step 2: Convert to fraction form
    123,867,633.78/170,937,999.27 = 68,116,649.22/x
  3. Step 3: Cross multiply
    123,867,633.78x = 170,937,999.27 × 68,116,649.22
  4. Step 4: Simplify right side
    123,867,633.78x = 11,643,723,734,643,206
  5. Step 5: Solve for x
    x = 11,643,723,734,643,206/123,867,633.78
  6. Step 6: Final answer
    x = 94,001,341.43

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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.