Home / 180,435,081.58-270,766,476.65-76,804,121.42

Finding the Fourth Proportional to 180,435,081.58, 270,766,476.65 and 76,804,121.42

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Solution

The fourth proportional to 180,435,081.58, 270,766,476.65 and 76,804,121.42 is: 115,254,645.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,435,081.58 : 270,766,476.65 = 76,804,121.42 : x
  2. Step 2: Convert to fraction form
    180,435,081.58/270,766,476.65 = 76,804,121.42/x
  3. Step 3: Cross multiply
    180,435,081.58x = 270,766,476.65 × 76,804,121.42
  4. Step 4: Simplify right side
    180,435,081.58x = 20,795,981,349,961,120
  5. Step 5: Solve for x
    x = 20,795,981,349,961,120/180,435,081.58
  6. Step 6: Final answer
    x = 115,254,645.43

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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.