Home / 317,612,765.04-438,252,879.96-187,214,843.76

Finding the Fourth Proportional to 317,612,765.04, 438,252,879.96 and 187,214,843.76

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Solution

The fourth proportional to 317,612,765.04, 438,252,879.96 and 187,214,843.76 is: 258,325,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,612,765.04 : 438,252,879.96 = 187,214,843.76 : x
  2. Step 2: Convert to fraction form
    317,612,765.04/438,252,879.96 = 187,214,843.76/x
  3. Step 3: Cross multiply
    317,612,765.04x = 438,252,879.96 × 187,214,843.76
  4. Step 4: Simplify right side
    317,612,765.04x = 82,047,444,449,081,424
  5. Step 5: Solve for x
    x = 82,047,444,449,081,424/317,612,765.04
  6. Step 6: Final answer
    x = 258,325,399.61

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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.