Home / 343,642,631.66-515,512,369.31-110,395,132.10

Finding the Fourth Proportional to 343,642,631.66, 515,512,369.31 and 110,395,132.10

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Solution

The fourth proportional to 343,642,631.66, 515,512,369.31 and 110,395,132.10 is: 165,608,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,642,631.66 : 515,512,369.31 = 110,395,132.10 : x
  2. Step 2: Convert to fraction form
    343,642,631.66/515,512,369.31 = 110,395,132.10/x
  3. Step 3: Cross multiply
    343,642,631.66x = 515,512,369.31 × 110,395,132.10
  4. Step 4: Simplify right side
    343,642,631.66x = 56,910,056,106,031,896
  5. Step 5: Solve for x
    x = 56,910,056,106,031,896/343,642,631.66
  6. Step 6: Final answer
    x = 165,608,253.64

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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.