Home / 57,177,305.91-78,904,422.95-31,071,329.91

Finding the Fourth Proportional to 57,177,305.91, 78,904,422.95 and 31,071,329.91

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Solution

The fourth proportional to 57,177,305.91, 78,904,422.95 and 31,071,329.91 is: 42,878,294.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,177,305.91 : 78,904,422.95 = 31,071,329.91 : x
  2. Step 2: Convert to fraction form
    57,177,305.91/78,904,422.95 = 31,071,329.91/x
  3. Step 3: Cross multiply
    57,177,305.91x = 78,904,422.95 × 31,071,329.91
  4. Step 4: Simplify right side
    57,177,305.91x = 2,451,665,356,682,268.50
  5. Step 5: Solve for x
    x = 2,451,665,356,682,268.50/57,177,305.91
  6. Step 6: Final answer
    x = 42,878,294.42

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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.