Home / 269,422,791.48-371,781,183.45-151,976,987.69

Finding the Fourth Proportional to 269,422,791.48, 371,781,183.45 and 151,976,987.69

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Solution

The fourth proportional to 269,422,791.48, 371,781,183.45 and 151,976,987.69 is: 209,715,681.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,422,791.48 : 371,781,183.45 = 151,976,987.69 : x
  2. Step 2: Convert to fraction form
    269,422,791.48/371,781,183.45 = 151,976,987.69/x
  3. Step 3: Cross multiply
    269,422,791.48x = 371,781,183.45 × 151,976,987.69
  4. Step 4: Simplify right side
    269,422,791.48x = 56,502,184,338,695,376
  5. Step 5: Solve for x
    x = 56,502,184,338,695,376/269,422,791.48
  6. Step 6: Final answer
    x = 209,715,681.54

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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.