Home / 261,579,296.37-392,232,703.13-123,367,793.61

Finding the Fourth Proportional to 261,579,296.37, 392,232,703.13 and 123,367,793.61

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Solution

The fourth proportional to 261,579,296.37, 392,232,703.13 and 123,367,793.61 is: 184,987,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,579,296.37 : 392,232,703.13 = 123,367,793.61 : x
  2. Step 2: Convert to fraction form
    261,579,296.37/392,232,703.13 = 123,367,793.61/x
  3. Step 3: Cross multiply
    261,579,296.37x = 392,232,703.13 × 123,367,793.61
  4. Step 4: Simplify right side
    261,579,296.37x = 48,388,883,166,217,400
  5. Step 5: Solve for x
    x = 48,388,883,166,217,400/261,579,296.37
  6. Step 6: Final answer
    x = 184,987,435.31

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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.