Home / 70,811,901.21-97,723,439.51-39,449,932.44

Finding the Fourth Proportional to 70,811,901.21, 97,723,439.51 and 39,449,932.44

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Solution

The fourth proportional to 70,811,901.21, 97,723,439.51 and 39,449,932.44 is: 54,442,586.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,811,901.21 : 97,723,439.51 = 39,449,932.44 : x
  2. Step 2: Convert to fraction form
    70,811,901.21/97,723,439.51 = 39,449,932.44/x
  3. Step 3: Cross multiply
    70,811,901.21x = 97,723,439.51 × 39,449,932.44
  4. Step 4: Simplify right side
    70,811,901.21x = 3,855,183,086,083,934.50
  5. Step 5: Solve for x
    x = 3,855,183,086,083,934.50/70,811,901.21
  6. Step 6: Final answer
    x = 54,442,586.91

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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.