Home / 57,067,035.19-78,752,705.39-30,961,669.12

Finding the Fourth Proportional to 57,067,035.19, 78,752,705.39 and 30,961,669.12

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Solution

The fourth proportional to 57,067,035.19, 78,752,705.39 and 30,961,669.12 is: 42,727,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,067,035.19 : 78,752,705.39 = 30,961,669.12 : x
  2. Step 2: Convert to fraction form
    57,067,035.19/78,752,705.39 = 30,961,669.12/x
  3. Step 3: Cross multiply
    57,067,035.19x = 78,752,705.39 × 30,961,669.12
  4. Step 4: Simplify right side
    57,067,035.19x = 2,438,315,206,354,436.50
  5. Step 5: Solve for x
    x = 2,438,315,206,354,436.50/57,067,035.19
  6. Step 6: Final answer
    x = 42,727,210.17

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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.