Home / 81,446,449.68-122,006,100.87-37,665,841.86

Finding the Fourth Proportional to 81,446,449.68, 122,006,100.87 and 37,665,841.86

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Solution

The fourth proportional to 81,446,449.68, 122,006,100.87 and 37,665,841.86 is: 56,423,116.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,446,449.68 : 122,006,100.87 = 37,665,841.86 : x
  2. Step 2: Convert to fraction form
    81,446,449.68/122,006,100.87 = 37,665,841.86/x
  3. Step 3: Cross multiply
    81,446,449.68x = 122,006,100.87 × 37,665,841.86
  4. Step 4: Simplify right side
    81,446,449.68x = 4,595,462,501,324,629
  5. Step 5: Solve for x
    x = 4,595,462,501,324,629/81,446,449.68
  6. Step 6: Final answer
    x = 56,423,116.29

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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.