Home / 150,446,907.20-225,670,360.80-85,876,825.70

Finding the Fourth Proportional to 150,446,907.20, 225,670,360.80 and 85,876,825.70

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Solution

The fourth proportional to 150,446,907.20, 225,670,360.80 and 85,876,825.70 is: 128,815,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,446,907.20 : 225,670,360.80 = 85,876,825.70 : x
  2. Step 2: Convert to fraction form
    150,446,907.20/225,670,360.80 = 85,876,825.70/x
  3. Step 3: Cross multiply
    150,446,907.20x = 225,670,360.80 × 85,876,825.70
  4. Step 4: Simplify right side
    150,446,907.20x = 19,379,854,240,077,716
  5. Step 5: Solve for x
    x = 19,379,854,240,077,716/150,446,907.20
  6. Step 6: Final answer
    x = 128,815,238.55

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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.