Home / 49,988,940.77-68,989,933.64-28,796,451.50

Finding the Fourth Proportional to 49,988,940.77, 68,989,933.64 and 28,796,451.50

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Solution

The fourth proportional to 49,988,940.77, 68,989,933.64 and 28,796,451.50 is: 39,742,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988,940.77 : 68,989,933.64 = 28,796,451.50 : x
  2. Step 2: Convert to fraction form
    49,988,940.77/68,989,933.64 = 28,796,451.50/x
  3. Step 3: Cross multiply
    49,988,940.77x = 68,989,933.64 × 28,796,451.50
  4. Step 4: Simplify right side
    49,988,940.77x = 1,986,665,278,296,944.50
  5. Step 5: Solve for x
    x = 1,986,665,278,296,944.50/49,988,940.77
  6. Step 6: Final answer
    x = 39,742,095.90

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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.