Home / 300,272,173.22-450,321,260.96-90,174,382.94

Finding the Fourth Proportional to 300,272,173.22, 450,321,260.96 and 90,174,382.94

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Solution

The fourth proportional to 300,272,173.22, 450,321,260.96 and 90,174,382.94 is: 135,235,447.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,272,173.22 : 450,321,260.96 = 90,174,382.94 : x
  2. Step 2: Convert to fraction form
    300,272,173.22/450,321,260.96 = 90,174,382.94/x
  3. Step 3: Cross multiply
    300,272,173.22x = 450,321,260.96 × 90,174,382.94
  4. Step 4: Simplify right side
    300,272,173.22x = 40,607,441,829,128,232
  5. Step 5: Solve for x
    x = 40,607,441,829,128,232/300,272,173.22
  6. Step 6: Final answer
    x = 135,235,447.87

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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.