Home / 102,394,967.84-141,305,067.60-55,985,253.20

Finding the Fourth Proportional to 102,394,967.84, 141,305,067.60 and 55,985,253.20

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Solution

The fourth proportional to 102,394,967.84, 141,305,067.60 and 55,985,253.20 is: 77,259,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,394,967.84 : 141,305,067.60 = 55,985,253.20 : x
  2. Step 2: Convert to fraction form
    102,394,967.84/141,305,067.60 = 55,985,253.20/x
  3. Step 3: Cross multiply
    102,394,967.84x = 141,305,067.60 × 55,985,253.20
  4. Step 4: Simplify right side
    102,394,967.84x = 7,910,999,988,029,116
  5. Step 5: Solve for x
    x = 7,910,999,988,029,116/102,394,967.84
  6. Step 6: Final answer
    x = 77,259,655.97

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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.