Home / 313,380,977.92-432,009,960.72-219,002,108.32

Finding the Fourth Proportional to 313,380,977.92, 432,009,960.72 and 219,002,108.32

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Solution

The fourth proportional to 313,380,977.92, 432,009,960.72 and 219,002,108.32 is: 301,904,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,380,977.92 : 432,009,960.72 = 219,002,108.32 : x
  2. Step 2: Convert to fraction form
    313,380,977.92/432,009,960.72 = 219,002,108.32/x
  3. Step 3: Cross multiply
    313,380,977.92x = 432,009,960.72 × 219,002,108.32
  4. Step 4: Simplify right side
    313,380,977.92x = 94,611,092,212,920,384
  5. Step 5: Solve for x
    x = 94,611,092,212,920,384/313,380,977.92
  6. Step 6: Final answer
    x = 301,904,387.56

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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.