Home / 215,090,985.23-322,635,985.76-92,189,611.52

Finding the Fourth Proportional to 215,090,985.23, 322,635,985.76 and 92,189,611.52

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Solution

The fourth proportional to 215,090,985.23, 322,635,985.76 and 92,189,611.52 is: 138,284,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,090,985.23 : 322,635,985.76 = 92,189,611.52 : x
  2. Step 2: Convert to fraction form
    215,090,985.23/322,635,985.76 = 92,189,611.52/x
  3. Step 3: Cross multiply
    215,090,985.23x = 322,635,985.76 × 92,189,611.52
  4. Step 4: Simplify right side
    215,090,985.23x = 29,743,686,187,512,524
  5. Step 5: Solve for x
    x = 29,743,686,187,512,524/215,090,985.23
  6. Step 6: Final answer
    x = 138,284,206.36

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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.