Home / 93,811,672.80-140,418,910.80-66,937,816.80

Finding the Fourth Proportional to 93,811,672.80, 140,418,910.80 and 66,937,816.80

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Solution

The fourth proportional to 93,811,672.80, 140,418,910.80 and 66,937,816.80 is: 100,193,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,811,672.80 : 140,418,910.80 = 66,937,816.80 : x
  2. Step 2: Convert to fraction form
    93,811,672.80/140,418,910.80 = 66,937,816.80/x
  3. Step 3: Cross multiply
    93,811,672.80x = 140,418,910.80 × 66,937,816.80
  4. Step 4: Simplify right side
    93,811,672.80x = 9,399,335,326,385,942
  5. Step 5: Solve for x
    x = 9,399,335,326,385,942/93,811,672.80
  6. Step 6: Final answer
    x = 100,193,665.09

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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.