Home / 86,733,467.22-129,926,727.96-52,170,789.90

Finding the Fourth Proportional to 86,733,467.22, 129,926,727.96 and 52,170,789.90

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Solution

The fourth proportional to 86,733,467.22, 129,926,727.96 and 52,170,789.90 is: 78,151,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,733,467.22 : 129,926,727.96 = 52,170,789.90 : x
  2. Step 2: Convert to fraction form
    86,733,467.22/129,926,727.96 = 52,170,789.90/x
  3. Step 3: Cross multiply
    86,733,467.22x = 129,926,727.96 × 52,170,789.90
  4. Step 4: Simplify right side
    86,733,467.22x = 6,778,380,026,795,615
  5. Step 5: Solve for x
    x = 6,778,380,026,795,615/86,733,467.22
  6. Step 6: Final answer
    x = 78,151,839.70

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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.