Home / 129,222,416.80-193,833,625.20-106,264,165.60

Finding the Fourth Proportional to 129,222,416.80, 193,833,625.20 and 106,264,165.60

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Solution

The fourth proportional to 129,222,416.80, 193,833,625.20 and 106,264,165.60 is: 159,396,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,222,416.80 : 193,833,625.20 = 106,264,165.60 : x
  2. Step 2: Convert to fraction form
    129,222,416.80/193,833,625.20 = 106,264,165.60/x
  3. Step 3: Cross multiply
    129,222,416.80x = 193,833,625.20 × 106,264,165.60
  4. Step 4: Simplify right side
    129,222,416.80x = 20,597,568,447,101,132
  5. Step 5: Solve for x
    x = 20,597,568,447,101,132/129,222,416.80
  6. Step 6: Final answer
    x = 159,396,248.40

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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.