Home / 90,046,934.88-124,251,028.20-50,874,418.77

Finding the Fourth Proportional to 90,046,934.88, 124,251,028.20 and 50,874,418.77

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Solution

The fourth proportional to 90,046,934.88, 124,251,028.20 and 50,874,418.77 is: 70,198,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046,934.88 : 124,251,028.20 = 50,874,418.77 : x
  2. Step 2: Convert to fraction form
    90,046,934.88/124,251,028.20 = 50,874,418.77/x
  3. Step 3: Cross multiply
    90,046,934.88x = 124,251,028.20 × 50,874,418.77
  4. Step 4: Simplify right side
    90,046,934.88x = 6,321,198,841,249,880
  5. Step 5: Solve for x
    x = 6,321,198,841,249,880/90,046,934.88
  6. Step 6: Final answer
    x = 70,198,934.03

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1.5x scale

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.