Home / 108,515,124-149,713,834.32-67,246,958.88

Finding the Fourth Proportional to 108,515,124, 149,713,834.32 and 67,246,958.88

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Solution

The fourth proportional to 108,515,124, 149,713,834.32 and 67,246,958.88 is: 92,777,851.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515,124 : 149,713,834.32 = 67,246,958.88 : x
  2. Step 2: Convert to fraction form
    108,515,124/149,713,834.32 = 67,246,958.88/x
  3. Step 3: Cross multiply
    108,515,124x = 149,713,834.32 × 67,246,958.88
  4. Step 4: Simplify right side
    108,515,124x = 10,067,800,060,284,172
  5. Step 5: Solve for x
    x = 10,067,800,060,284,172/108,515,124
  6. Step 6: Final answer
    x = 92,777,851.50

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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.