Home / 310,810,091.27-428,919,295.91-171,581,997.11

Finding the Fourth Proportional to 310,810,091.27, 428,919,295.91 and 171,581,997.11

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Solution

The fourth proportional to 310,810,091.27, 428,919,295.91 and 171,581,997.11 is: 236,783,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,810,091.27 : 428,919,295.91 = 171,581,997.11 : x
  2. Step 2: Convert to fraction form
    310,810,091.27/428,919,295.91 = 171,581,997.11/x
  3. Step 3: Cross multiply
    310,810,091.27x = 428,919,295.91 × 171,581,997.11
  4. Step 4: Simplify right side
    310,810,091.27x = 73,594,829,388,250,336
  5. Step 5: Solve for x
    x = 73,594,829,388,250,336/310,810,091.27
  6. Step 6: Final answer
    x = 236,783,912.29

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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.