Home / 90,046,934.63-124,251,027.86-50,874,418.52

Finding the Fourth Proportional to 90,046,934.63, 124,251,027.86 and 50,874,418.52

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Solution

The fourth proportional to 90,046,934.63, 124,251,027.86 and 50,874,418.52 is: 70,198,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046,934.63 : 124,251,027.86 = 50,874,418.52 : x
  2. Step 2: Convert to fraction form
    90,046,934.63/124,251,027.86 = 50,874,418.52/x
  3. Step 3: Cross multiply
    90,046,934.63x = 124,251,027.86 × 50,874,418.52
  4. Step 4: Simplify right side
    90,046,934.63x = 6,321,198,792,635,448
  5. Step 5: Solve for x
    x = 6,321,198,792,635,448/90,046,934.63
  6. Step 6: Final answer
    x = 70,198,933.69

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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.