Home / 83,406,496.80-125,109,745.20-68,951,301.60

Finding the Fourth Proportional to 83,406,496.80, 125,109,745.20 and 68,951,301.60

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Solution

The fourth proportional to 83,406,496.80, 125,109,745.20 and 68,951,301.60 is: 103,426,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,406,496.80 : 125,109,745.20 = 68,951,301.60 : x
  2. Step 2: Convert to fraction form
    83,406,496.80/125,109,745.20 = 68,951,301.60/x
  3. Step 3: Cross multiply
    83,406,496.80x = 125,109,745.20 × 68,951,301.60
  4. Step 4: Simplify right side
    83,406,496.80x = 8,626,479,774,384,352
  5. Step 5: Solve for x
    x = 8,626,479,774,384,352/83,406,496.80
  6. Step 6: Final answer
    x = 103,426,952.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.