Home / 81,446,450.43-122,006,101.98-37,665,842.60

Finding the Fourth Proportional to 81,446,450.43, 122,006,101.98 and 37,665,842.60

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Solution

The fourth proportional to 81,446,450.43, 122,006,101.98 and 37,665,842.60 is: 56,423,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,450.43 : 122,006,101.98 = 37,665,842.60 : x
  2. Step 2: Convert to fraction form
    81,446,450.43/122,006,101.98 = 37,665,842.60/x
  3. Step 3: Cross multiply
    81,446,450.43x = 122,006,101.98 × 37,665,842.60
  4. Step 4: Simplify right side
    81,446,450.43x = 4,595,462,633,418,229
  5. Step 5: Solve for x
    x = 4,595,462,633,418,229/81,446,450.43
  6. Step 6: Final answer
    x = 56,423,117.39

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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.