Home / 140,090,127.90-209,568,321.45-123,084,015.90

Finding the Fourth Proportional to 140,090,127.90, 209,568,321.45 and 123,084,015.90

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Solution

The fourth proportional to 140,090,127.90, 209,568,321.45 and 123,084,015.90 is: 184,127,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,090,127.90 : 209,568,321.45 = 123,084,015.90 : x
  2. Step 2: Convert to fraction form
    140,090,127.90/209,568,321.45 = 123,084,015.90/x
  3. Step 3: Cross multiply
    140,090,127.90x = 209,568,321.45 × 123,084,015.90
  4. Step 4: Simplify right side
    140,090,127.90x = 25,794,510,609,488,112
  5. Step 5: Solve for x
    x = 25,794,510,609,488,112/140,090,127.90
  6. Step 6: Final answer
    x = 184,127,968.16

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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.