Home / 91,873,722.68-126,784,140.86-50,058,131.61

Finding the Fourth Proportional to 91,873,722.68, 126,784,140.86 and 50,058,131.61

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Solution

The fourth proportional to 91,873,722.68, 126,784,140.86 and 50,058,131.61 is: 69,079,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873,722.68 : 126,784,140.86 = 50,058,131.61 : x
  2. Step 2: Convert to fraction form
    91,873,722.68/126,784,140.86 = 50,058,131.61/x
  3. Step 3: Cross multiply
    91,873,722.68x = 126,784,140.86 × 50,058,131.61
  4. Step 4: Simplify right side
    91,873,722.68x = 6,346,577,208,980,368
  5. Step 5: Solve for x
    x = 6,346,577,208,980,368/91,873,722.68
  6. Step 6: Final answer
    x = 69,079,351.79

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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.