Home / 378,876,907.42-568,335,733.67-120,112,305.80

Finding the Fourth Proportional to 378,876,907.42, 568,335,733.67 and 120,112,305.80

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Solution

The fourth proportional to 378,876,907.42, 568,335,733.67 and 120,112,305.80 is: 180,174,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,876,907.42 : 568,335,733.67 = 120,112,305.80 : x
  2. Step 2: Convert to fraction form
    378,876,907.42/568,335,733.67 = 120,112,305.80/x
  3. Step 3: Cross multiply
    378,876,907.42x = 568,335,733.67 × 120,112,305.80
  4. Step 4: Simplify right side
    378,876,907.42x = 68,264,115,437,097,000
  5. Step 5: Solve for x
    x = 68,264,115,437,097,000/378,876,907.42
  6. Step 6: Final answer
    x = 180,174,917.24

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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.