Home / 168,087,879-232,069,208.76-105,449,837.04

Finding the Fourth Proportional to 168,087,879, 232,069,208.76 and 105,449,837.04

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Solution

The fourth proportional to 168,087,879, 232,069,208.76 and 105,449,837.04 is: 145,588,488.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,087,879 : 232,069,208.76 = 105,449,837.04 : x
  2. Step 2: Convert to fraction form
    168,087,879/232,069,208.76 = 105,449,837.04/x
  3. Step 3: Cross multiply
    168,087,879x = 232,069,208.76 × 105,449,837.04
  4. Step 4: Simplify right side
    168,087,879x = 24,471,660,245,743,740
  5. Step 5: Solve for x
    x = 24,471,660,245,743,740/168,087,879
  6. Step 6: Final answer
    x = 145,588,488.54

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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.