Home / 99,708,958.82-137,621,321.44-58,469,137.22

Finding the Fourth Proportional to 99,708,958.82, 137,621,321.44 and 58,469,137.22

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Solution

The fourth proportional to 99,708,958.82, 137,621,321.44 and 58,469,137.22 is: 80,700,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,708,958.82 : 137,621,321.44 = 58,469,137.22 : x
  2. Step 2: Convert to fraction form
    99,708,958.82/137,621,321.44 = 58,469,137.22/x
  3. Step 3: Cross multiply
    99,708,958.82x = 137,621,321.44 × 58,469,137.22
  4. Step 4: Simplify right side
    99,708,958.82x = 8,046,599,927,870,968
  5. Step 5: Solve for x
    x = 8,046,599,927,870,968/99,708,958.82
  6. Step 6: Final answer
    x = 80,700,872.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.