Home / 157,172,918.03-215,327,665.91-151,282,112.52

Finding the Fourth Proportional to 157,172,918.03, 215,327,665.91 and 151,282,112.52

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Solution

The fourth proportional to 157,172,918.03, 215,327,665.91 and 151,282,112.52 is: 207,257,233.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,172,918.03 : 215,327,665.91 = 151,282,112.52 : x
  2. Step 2: Convert to fraction form
    157,172,918.03/215,327,665.91 = 151,282,112.52/x
  3. Step 3: Cross multiply
    157,172,918.03x = 215,327,665.91 × 151,282,112.52
  4. Step 4: Simplify right side
    157,172,918.03x = 32,575,224,182,179,008
  5. Step 5: Solve for x
    x = 32,575,224,182,179,008/157,172,918.03
  6. Step 6: Final answer
    x = 207,257,233.56

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.