Home / 90,873,923.49-126,252,635.04-89,784,303.30

Finding the Fourth Proportional to 90,873,923.49, 126,252,635.04 and 89,784,303.30

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Solution

The fourth proportional to 90,873,923.49, 126,252,635.04 and 89,784,303.30 is: 124,738,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,873,923.49 : 126,252,635.04 = 89,784,303.30 : x
  2. Step 2: Convert to fraction form
    90,873,923.49/126,252,635.04 = 89,784,303.30/x
  3. Step 3: Cross multiply
    90,873,923.49x = 126,252,635.04 × 89,784,303.30
  4. Step 4: Simplify right side
    90,873,923.49x = 11,335,504,876,855,568
  5. Step 5: Solve for x
    x = 11,335,504,876,855,568/90,873,923.49
  6. Step 6: Final answer
    x = 124,738,807.81

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.