Home / 81,422,456.10-122,133,684.15-27,569,768.10

Finding the Fourth Proportional to 81,422,456.10, 122,133,684.15 and 27,569,768.10

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Solution

The fourth proportional to 81,422,456.10, 122,133,684.15 and 27,569,768.10 is: 41,354,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,422,456.10 : 122,133,684.15 = 27,569,768.10 : x
  2. Step 2: Convert to fraction form
    81,422,456.10/122,133,684.15 = 27,569,768.10/x
  3. Step 3: Cross multiply
    81,422,456.10x = 122,133,684.15 × 27,569,768.10
  4. Step 4: Simplify right side
    81,422,456.10x = 3,367,197,349,214,146
  5. Step 5: Solve for x
    x = 3,367,197,349,214,146/81,422,456.10
  6. Step 6: Final answer
    x = 41,354,652.15

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.