Home / 91,798,468.92-126,682,186.86-49,983,028.92

Finding the Fourth Proportional to 91,798,468.92, 126,682,186.86 and 49,983,028.92

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Solution

The fourth proportional to 91,798,468.92, 126,682,186.86 and 49,983,028.92 is: 68,976,743.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,798,468.92 : 126,682,186.86 = 49,983,028.92 : x
  2. Step 2: Convert to fraction form
    91,798,468.92/126,682,186.86 = 49,983,028.92/x
  3. Step 3: Cross multiply
    91,798,468.92x = 126,682,186.86 × 49,983,028.92
  4. Step 4: Simplify right side
    91,798,468.92x = 6,331,959,409,472,224
  5. Step 5: Solve for x
    x = 6,331,959,409,472,224/91,798,468.92
  6. Step 6: Final answer
    x = 68,976,743.12

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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.