Home / 121,320,216.30-181,980,324.45-92,622,402.30

Finding the Fourth Proportional to 121,320,216.30, 181,980,324.45 and 92,622,402.30

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Solution

The fourth proportional to 121,320,216.30, 181,980,324.45 and 92,622,402.30 is: 138,933,603.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,320,216.30 : 181,980,324.45 = 92,622,402.30 : x
  2. Step 2: Convert to fraction form
    121,320,216.30/181,980,324.45 = 92,622,402.30/x
  3. Step 3: Cross multiply
    121,320,216.30x = 181,980,324.45 × 92,622,402.30
  4. Step 4: Simplify right side
    121,320,216.30x = 16,855,454,821,892,424
  5. Step 5: Solve for x
    x = 16,855,454,821,892,424/121,320,216.30
  6. Step 6: Final answer
    x = 138,933,603.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.