Home / 309,904,172.59-427,714,253.36-235,442,202.61

Finding the Fourth Proportional to 309,904,172.59, 427,714,253.36 and 235,442,202.61

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Solution

The fourth proportional to 309,904,172.59, 427,714,253.36 and 235,442,202.61 is: 324,945,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,904,172.59 : 427,714,253.36 = 235,442,202.61 : x
  2. Step 2: Convert to fraction form
    309,904,172.59/427,714,253.36 = 235,442,202.61/x
  3. Step 3: Cross multiply
    309,904,172.59x = 427,714,253.36 × 235,442,202.61
  4. Step 4: Simplify right side
    309,904,172.59x = 100,701,985,897,538,000
  5. Step 5: Solve for x
    x = 100,701,985,897,538,000/309,904,172.59
  6. Step 6: Final answer
    x = 324,945,563.19

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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.