Home / 81,446,453.68-122,006,106.87-37,665,845.86

Finding the Fourth Proportional to 81,446,453.68, 122,006,106.87 and 37,665,845.86

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Solution

The fourth proportional to 81,446,453.68, 122,006,106.87 and 37,665,845.86 is: 56,423,122.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,453.68 : 122,006,106.87 = 37,665,845.86 : x
  2. Step 2: Convert to fraction form
    81,446,453.68/122,006,106.87 = 37,665,845.86/x
  3. Step 3: Cross multiply
    81,446,453.68x = 122,006,106.87 × 37,665,845.86
  4. Step 4: Simplify right side
    81,446,453.68x = 4,595,463,215,344,107
  5. Step 5: Solve for x
    x = 4,595,463,215,344,107/81,446,453.68
  6. Step 6: Final answer
    x = 56,423,122.28

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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.