Home / 90,504,170.93-124,895,283.49-49,251,358.55

Finding the Fourth Proportional to 90,504,170.93, 124,895,283.49 and 49,251,358.55

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Solution

The fourth proportional to 90,504,170.93, 124,895,283.49 and 49,251,358.55 is: 67,966,617.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504,170.93 : 124,895,283.49 = 49,251,358.55 : x
  2. Step 2: Convert to fraction form
    90,504,170.93/124,895,283.49 = 49,251,358.55/x
  3. Step 3: Cross multiply
    90,504,170.93x = 124,895,283.49 × 49,251,358.55
  4. Step 4: Simplify right side
    90,504,170.93x = 6,151,262,388,369,885
  5. Step 5: Solve for x
    x = 6,151,262,388,369,885/90,504,170.93
  6. Step 6: Final answer
    x = 67,966,617.73

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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.