Home / 91,214,059.37-125,873,846.17-49,397,784.90

Finding the Fourth Proportional to 91,214,059.37, 125,873,846.17 and 49,397,784.90

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Solution

The fourth proportional to 91,214,059.37, 125,873,846.17 and 49,397,784.90 is: 68,168,100.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,059.37 : 125,873,846.17 = 49,397,784.90 : x
  2. Step 2: Convert to fraction form
    91,214,059.37/125,873,846.17 = 49,397,784.90/x
  3. Step 3: Cross multiply
    91,214,059.37x = 125,873,846.17 × 49,397,784.90
  4. Step 4: Simplify right side
    91,214,059.37x = 6,217,889,177,045,828
  5. Step 5: Solve for x
    x = 6,217,889,177,045,828/91,214,059.37
  6. Step 6: Final answer
    x = 68,168,100.62

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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.