Home / 187,837,791.84-259,253,330.40-121,840,080.48

Finding the Fourth Proportional to 187,837,791.84, 259,253,330.40 and 121,840,080.48

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Solution

The fourth proportional to 187,837,791.84, 259,253,330.40 and 121,840,080.48 is: 168,163,426.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,837,791.84 : 259,253,330.40 = 121,840,080.48 : x
  2. Step 2: Convert to fraction form
    187,837,791.84/259,253,330.40 = 121,840,080.48/x
  3. Step 3: Cross multiply
    187,837,791.84x = 259,253,330.40 × 121,840,080.48
  4. Step 4: Simplify right side
    187,837,791.84x = 31,587,446,640,644,032
  5. Step 5: Solve for x
    x = 31,587,446,640,644,032/187,837,791.84
  6. Step 6: Final answer
    x = 168,163,426.17

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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.