Home / 108,918,175.80-163,377,263.70-100,604,076.60

Finding the Fourth Proportional to 108,918,175.80, 163,377,263.70 and 100,604,076.60

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Solution

The fourth proportional to 108,918,175.80, 163,377,263.70 and 100,604,076.60 is: 150,906,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,175.80 : 163,377,263.70 = 100,604,076.60 : x
  2. Step 2: Convert to fraction form
    108,918,175.80/163,377,263.70 = 100,604,076.60/x
  3. Step 3: Cross multiply
    108,918,175.80x = 163,377,263.70 × 100,604,076.60
  4. Step 4: Simplify right side
    108,918,175.80x = 16,436,418,751,973,198
  5. Step 5: Solve for x
    x = 16,436,418,751,973,198/108,918,175.80
  6. Step 6: Final answer
    x = 150,906,114.90

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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.