Home / 86,346,233.85-129,505,163.82-31,002,612.06

Finding the Fourth Proportional to 86,346,233.85, 129,505,163.82 and 31,002,612.06

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Solution

The fourth proportional to 86,346,233.85, 129,505,163.82 and 31,002,612.06 is: 46,498,824.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,346,233.85 : 129,505,163.82 = 31,002,612.06 : x
  2. Step 2: Convert to fraction form
    86,346,233.85/129,505,163.82 = 31,002,612.06/x
  3. Step 3: Cross multiply
    86,346,233.85x = 129,505,163.82 × 31,002,612.06
  4. Step 4: Simplify right side
    86,346,233.85x = 4,014,998,353,678,207.50
  5. Step 5: Solve for x
    x = 4,014,998,353,678,207.50/86,346,233.85
  6. Step 6: Final answer
    x = 46,498,824.26

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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.