Home / 303,433,899.22-455,099,512.46-85,033,976.28

Finding the Fourth Proportional to 303,433,899.22, 455,099,512.46 and 85,033,976.28

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Solution

The fourth proportional to 303,433,899.22, 455,099,512.46 and 85,033,976.28 is: 127,536,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,433,899.22 : 455,099,512.46 = 85,033,976.28 : x
  2. Step 2: Convert to fraction form
    303,433,899.22/455,099,512.46 = 85,033,976.28/x
  3. Step 3: Cross multiply
    303,433,899.22x = 455,099,512.46 × 85,033,976.28
  4. Step 4: Simplify right side
    303,433,899.22x = 38,698,921,147,563,200
  5. Step 5: Solve for x
    x = 38,698,921,147,563,200/303,433,899.22
  6. Step 6: Final answer
    x = 127,536,577.97

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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.