Home / 331,388,321.29-497,133,557.88-112,987,587.42

Finding the Fourth Proportional to 331,388,321.29, 497,133,557.88 and 112,987,587.42

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Solution

The fourth proportional to 331,388,321.29, 497,133,557.88 and 112,987,587.42 is: 169,498,795.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,388,321.29 : 497,133,557.88 = 112,987,587.42 : x
  2. Step 2: Convert to fraction form
    331,388,321.29/497,133,557.88 = 112,987,587.42/x
  3. Step 3: Cross multiply
    331,388,321.29x = 497,133,557.88 × 112,987,587.42
  4. Step 4: Simplify right side
    331,388,321.29x = 56,169,921,332,534,264
  5. Step 5: Solve for x
    x = 56,169,921,332,534,264/331,388,321.29
  6. Step 6: Final answer
    x = 169,498,795.59

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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.