Home / 120,906,010.80-181,382,635.80-48,110,403.60

Finding the Fourth Proportional to 120,906,010.80, 181,382,635.80 and 48,110,403.60

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Solution

The fourth proportional to 120,906,010.80, 181,382,635.80 and 48,110,403.60 is: 72,175,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,906,010.80 : 181,382,635.80 = 48,110,403.60 : x
  2. Step 2: Convert to fraction form
    120,906,010.80/181,382,635.80 = 48,110,403.60/x
  3. Step 3: Cross multiply
    120,906,010.80x = 181,382,635.80 × 48,110,403.60
  4. Step 4: Simplify right side
    120,906,010.80x = 8,726,391,814,369,810
  5. Step 5: Solve for x
    x = 8,726,391,814,369,810/120,906,010.80
  6. Step 6: Final answer
    x = 72,175,004.01

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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.