Home / 81,979,993.58-122,991,548.91-29,462,969.34

Finding the Fourth Proportional to 81,979,993.58, 122,991,548.91 and 29,462,969.34

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Solution

The fourth proportional to 81,979,993.58, 122,991,548.91 and 29,462,969.34 is: 44,202,201.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,979,993.58 : 122,991,548.91 = 29,462,969.34 : x
  2. Step 2: Convert to fraction form
    81,979,993.58/122,991,548.91 = 29,462,969.34/x
  3. Step 3: Cross multiply
    81,979,993.58x = 122,991,548.91 × 29,462,969.34
  4. Step 4: Simplify right side
    81,979,993.58x = 3,623,696,234,614,440.50
  5. Step 5: Solve for x
    x = 3,623,696,234,614,440.50/81,979,993.58
  6. Step 6: Final answer
    x = 44,202,201.98

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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.