Home / 240,445,509.20-331,643,747.64-220,663,156.43

Finding the Fourth Proportional to 240,445,509.20, 331,643,747.64 and 220,663,156.43

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Solution

The fourth proportional to 240,445,509.20, 331,643,747.64 and 220,663,156.43 is: 304,358,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,445,509.20 : 331,643,747.64 = 220,663,156.43 : x
  2. Step 2: Convert to fraction form
    240,445,509.20/331,643,747.64 = 220,663,156.43/x
  3. Step 3: Cross multiply
    240,445,509.20x = 331,643,747.64 × 220,663,156.43
  4. Step 4: Simplify right side
    240,445,509.20x = 73,181,556,162,858,544
  5. Step 5: Solve for x
    x = 73,181,556,162,858,544/240,445,509.20
  6. Step 6: Final answer
    x = 304,358,174.16

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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.