Home / 344,348,009.31-516,522,388.11-85,563,229.54

Finding the Fourth Proportional to 344,348,009.31, 516,522,388.11 and 85,563,229.54

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Solution

The fourth proportional to 344,348,009.31, 516,522,388.11 and 85,563,229.54 is: 128,344,937.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,348,009.31 : 516,522,388.11 = 85,563,229.54 : x
  2. Step 2: Convert to fraction form
    344,348,009.31/516,522,388.11 = 85,563,229.54/x
  3. Step 3: Cross multiply
    344,348,009.31x = 516,522,388.11 × 85,563,229.54
  4. Step 4: Simplify right side
    344,348,009.31x = 44,195,323,656,404,904
  5. Step 5: Solve for x
    x = 44,195,323,656,404,904/344,348,009.31
  6. Step 6: Final answer
    x = 128,344,937.28

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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.