Home / 115,265,770.96-172,621,578.12-65,932,103.20

Finding the Fourth Proportional to 115,265,770.96, 172,621,578.12 and 65,932,103.20

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Solution

The fourth proportional to 115,265,770.96, 172,621,578.12 and 65,932,103.20 is: 98,739,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,265,770.96 : 172,621,578.12 = 65,932,103.20 : x
  2. Step 2: Convert to fraction form
    115,265,770.96/172,621,578.12 = 65,932,103.20/x
  3. Step 3: Cross multiply
    115,265,770.96x = 172,621,578.12 × 65,932,103.20
  4. Step 4: Simplify right side
    115,265,770.96x = 11,381,303,703,154,702
  5. Step 5: Solve for x
    x = 11,381,303,703,154,702/115,265,770.96
  6. Step 6: Final answer
    x = 98,739,665.80

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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.