Home / 256,810,891.24-385,135,417.72-84,247,493.32

Finding the Fourth Proportional to 256,810,891.24, 385,135,417.72 and 84,247,493.32

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Solution

The fourth proportional to 256,810,891.24, 385,135,417.72 and 84,247,493.32 is: 126,344,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,810,891.24 : 385,135,417.72 = 84,247,493.32 : x
  2. Step 2: Convert to fraction form
    256,810,891.24/385,135,417.72 = 84,247,493.32/x
  3. Step 3: Cross multiply
    256,810,891.24x = 385,135,417.72 × 84,247,493.32
  4. Step 4: Simplify right side
    256,810,891.24x = 32,446,693,531,661,108
  5. Step 5: Solve for x
    x = 32,446,693,531,661,108/256,810,891.24
  6. Step 6: Final answer
    x = 126,344,694.24

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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.