Home / 270,287,595.70-372,999,819.01-158,783,136.21

Finding the Fourth Proportional to 270,287,595.70, 372,999,819.01 and 158,783,136.21

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Solution

The fourth proportional to 270,287,595.70, 372,999,819.01 and 158,783,136.21 is: 219,122,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,287,595.70 : 372,999,819.01 = 158,783,136.21 : x
  2. Step 2: Convert to fraction form
    270,287,595.70/372,999,819.01 = 158,783,136.21/x
  3. Step 3: Cross multiply
    270,287,595.70x = 372,999,819.01 × 158,783,136.21
  4. Step 4: Simplify right side
    270,287,595.70x = 59,226,081,067,467,640
  5. Step 5: Solve for x
    x = 59,226,081,067,467,640/270,287,595.70
  6. Step 6: Final answer
    x = 219,122,453.31

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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.