Home / 168,022,645.40-252,033,968.10-98,864,456.60

Finding the Fourth Proportional to 168,022,645.40, 252,033,968.10 and 98,864,456.60

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Solution

The fourth proportional to 168,022,645.40, 252,033,968.10 and 98,864,456.60 is: 148,296,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022,645.40 : 252,033,968.10 = 98,864,456.60 : x
  2. Step 2: Convert to fraction form
    168,022,645.40/252,033,968.10 = 98,864,456.60/x
  3. Step 3: Cross multiply
    168,022,645.40x = 252,033,968.10 × 98,864,456.60
  4. Step 4: Simplify right side
    168,022,645.40x = 24,917,201,300,948,232
  5. Step 5: Solve for x
    x = 24,917,201,300,948,232/168,022,645.40
  6. Step 6: Final answer
    x = 148,296,684.90

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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.