Home / 81,446,450.68-122,006,102.37-37,665,842.86

Finding the Fourth Proportional to 81,446,450.68, 122,006,102.37 and 37,665,842.86

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Solution

The fourth proportional to 81,446,450.68, 122,006,102.37 and 37,665,842.86 is: 56,423,117.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,450.68 : 122,006,102.37 = 37,665,842.86 : x
  2. Step 2: Convert to fraction form
    81,446,450.68/122,006,102.37 = 37,665,842.86/x
  3. Step 3: Cross multiply
    81,446,450.68x = 122,006,102.37 × 37,665,842.86
  4. Step 4: Simplify right side
    81,446,450.68x = 4,595,462,679,829,494
  5. Step 5: Solve for x
    x = 4,595,462,679,829,494/81,446,450.68
  6. Step 6: Final answer
    x = 56,423,117.78

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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.