Home / 108,395,467.20-162,539,400.60-39,305,512.80

Finding the Fourth Proportional to 108,395,467.20, 162,539,400.60 and 39,305,512.80

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Solution

The fourth proportional to 108,395,467.20, 162,539,400.60 and 39,305,512.80 is: 58,938,760.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,395,467.20 : 162,539,400.60 = 39,305,512.80 : x
  2. Step 2: Convert to fraction form
    108,395,467.20/162,539,400.60 = 39,305,512.80/x
  3. Step 3: Cross multiply
    108,395,467.20x = 162,539,400.60 × 39,305,512.80
  4. Step 4: Simplify right side
    108,395,467.20x = 6,388,694,490,787,627
  5. Step 5: Solve for x
    x = 6,388,694,490,787,627/108,395,467.20
  6. Step 6: Final answer
    x = 58,938,760.59

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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.