Home / 57,215,225.88-78,957,998.64-31,109,920.02

Finding the Fourth Proportional to 57,215,225.88, 78,957,998.64 and 31,109,920.02

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Solution

The fourth proportional to 57,215,225.88, 78,957,998.64 and 31,109,920.02 is: 42,932,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215,225.88 : 78,957,998.64 = 31,109,920.02 : x
  2. Step 2: Convert to fraction form
    57,215,225.88/78,957,998.64 = 31,109,920.02/x
  3. Step 3: Cross multiply
    57,215,225.88x = 78,957,998.64 × 31,109,920.02
  4. Step 4: Simplify right side
    57,215,225.88x = 2,456,377,022,629,669
  5. Step 5: Solve for x
    x = 2,456,377,022,629,669/57,215,225.88
  6. Step 6: Final answer
    x = 42,932,226.25

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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.