Home / 86,305,150.09-129,458,847.17-28,797,421.26

Finding the Fourth Proportional to 86,305,150.09, 129,458,847.17 and 28,797,421.26

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Solution

The fourth proportional to 86,305,150.09, 129,458,847.17 and 28,797,421.26 is: 43,196,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,305,150.09 : 129,458,847.17 = 28,797,421.26 : x
  2. Step 2: Convert to fraction form
    86,305,150.09/129,458,847.17 = 28,797,421.26/x
  3. Step 3: Cross multiply
    86,305,150.09x = 129,458,847.17 × 28,797,421.26
  4. Step 4: Simplify right side
    86,305,150.09x = 3,728,080,957,435,558
  5. Step 5: Solve for x
    x = 3,728,080,957,435,558/86,305,150.09
  6. Step 6: Final answer
    x = 43,196,506.27

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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.