Home / 91,900,768.44-126,823,061.16-50,647,661.28

Finding the Fourth Proportional to 91,900,768.44, 126,823,061.16 and 50,647,661.28

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Solution

The fourth proportional to 91,900,768.44, 126,823,061.16 and 50,647,661.28 is: 69,893,772.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,900,768.44 : 126,823,061.16 = 50,647,661.28 : x
  2. Step 2: Convert to fraction form
    91,900,768.44/126,823,061.16 = 50,647,661.28/x
  3. Step 3: Cross multiply
    91,900,768.44x = 126,823,061.16 × 50,647,661.28
  4. Step 4: Simplify right side
    91,900,768.44x = 6,423,291,444,124,404
  5. Step 5: Solve for x
    x = 6,423,291,444,124,404/91,900,768.44
  6. Step 6: Final answer
    x = 69,893,772.96

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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.