Home / 81,647,940.68-112,674,108.45-44,978,511.68

Finding the Fourth Proportional to 81,647,940.68, 112,674,108.45 and 44,978,511.68

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Solution

The fourth proportional to 81,647,940.68, 112,674,108.45 and 44,978,511.68 is: 62,070,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,647,940.68 : 112,674,108.45 = 44,978,511.68 : x
  2. Step 2: Convert to fraction form
    81,647,940.68/112,674,108.45 = 44,978,511.68/x
  3. Step 3: Cross multiply
    81,647,940.68x = 112,674,108.45 × 44,978,511.68
  4. Step 4: Simplify right side
    81,647,940.68x = 5,067,913,702,388,541
  5. Step 5: Solve for x
    x = 5,067,913,702,388,541/81,647,940.68
  6. Step 6: Final answer
    x = 62,070,318.74

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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.