Home / 86,182,351.48-129,263,977.77-30,847,976.43

Finding the Fourth Proportional to 86,182,351.48, 129,263,977.77 and 30,847,976.43

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Solution

The fourth proportional to 86,182,351.48, 129,263,977.77 and 30,847,976.43 is: 46,268,546.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,182,351.48 : 129,263,977.77 = 30,847,976.43 : x
  2. Step 2: Convert to fraction form
    86,182,351.48/129,263,977.77 = 30,847,976.43/x
  3. Step 3: Cross multiply
    86,182,351.48x = 129,263,977.77 × 30,847,976.43
  4. Step 4: Simplify right side
    86,182,351.48x = 3,987,532,139,497,004
  5. Step 5: Solve for x
    x = 3,987,532,139,497,004/86,182,351.48
  6. Step 6: Final answer
    x = 46,268,546.53

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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.