Home / 223,987,710.88-309,104,362.16-129,957,846.20

Finding the Fourth Proportional to 223,987,710.88, 309,104,362.16 and 129,957,846.20

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Solution

The fourth proportional to 223,987,710.88, 309,104,362.16 and 129,957,846.20 is: 179,342,594.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,987,710.88 : 309,104,362.16 = 129,957,846.20 : x
  2. Step 2: Convert to fraction form
    223,987,710.88/309,104,362.16 = 129,957,846.20/x
  3. Step 3: Cross multiply
    223,987,710.88x = 309,104,362.16 × 129,957,846.20
  4. Step 4: Simplify right side
    223,987,710.88x = 40,170,537,157,338,384
  5. Step 5: Solve for x
    x = 40,170,537,157,338,384/223,987,710.88
  6. Step 6: Final answer
    x = 179,342,594.29

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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.