Home / 108,918,178.80-163,377,268.20-100,604,079.60

Finding the Fourth Proportional to 108,918,178.80, 163,377,268.20 and 100,604,079.60

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Solution

The fourth proportional to 108,918,178.80, 163,377,268.20 and 100,604,079.60 is: 150,906,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918,178.80 : 163,377,268.20 = 100,604,079.60 : x
  2. Step 2: Convert to fraction form
    108,918,178.80/163,377,268.20 = 100,604,079.60/x
  3. Step 3: Cross multiply
    108,918,178.80x = 163,377,268.20 × 100,604,079.60
  4. Step 4: Simplify right side
    108,918,178.80x = 16,436,419,694,823,346
  5. Step 5: Solve for x
    x = 16,436,419,694,823,346/108,918,178.80
  6. Step 6: Final answer
    x = 150,906,119.40

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1.5x scale

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.