Home / 124,102,381-171,259,196.49-68,352,993.10

Finding the Fourth Proportional to 124,102,381, 171,259,196.49 and 68,352,993.10

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Solution

The fourth proportional to 124,102,381, 171,259,196.49 and 68,352,993.10 is: 94,325,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102,381 : 171,259,196.49 = 68,352,993.10 : x
  2. Step 2: Convert to fraction form
    124,102,381/171,259,196.49 = 68,352,993.10/x
  3. Step 3: Cross multiply
    124,102,381x = 171,259,196.49 × 68,352,993.10
  4. Step 4: Simplify right side
    124,102,381x = 11,706,078,675,992,514
  5. Step 5: Solve for x
    x = 11,706,078,675,992,514/124,102,381
  6. Step 6: Final answer
    x = 94,325,979.74

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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.