Home / 265,904,431.20-398,856,646.80-84,165,832.80

Finding the Fourth Proportional to 265,904,431.20, 398,856,646.80 and 84,165,832.80

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Solution

The fourth proportional to 265,904,431.20, 398,856,646.80 and 84,165,832.80 is: 126,248,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,904,431.20 : 398,856,646.80 = 84,165,832.80 : x
  2. Step 2: Convert to fraction form
    265,904,431.20/398,856,646.80 = 84,165,832.80/x
  3. Step 3: Cross multiply
    265,904,431.20x = 398,856,646.80 × 84,165,832.80
  4. Step 4: Simplify right side
    265,904,431.20x = 33,570,101,845,737,456
  5. Step 5: Solve for x
    x = 33,570,101,845,737,456/265,904,431.20
  6. Step 6: Final answer
    x = 126,248,749.20

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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.