Home / 109,156,724.20-163,735,086.30-80,458,910.20

Finding the Fourth Proportional to 109,156,724.20, 163,735,086.30 and 80,458,910.20

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Solution

The fourth proportional to 109,156,724.20, 163,735,086.30 and 80,458,910.20 is: 120,688,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,724.20 : 163,735,086.30 = 80,458,910.20 : x
  2. Step 2: Convert to fraction form
    109,156,724.20/163,735,086.30 = 80,458,910.20/x
  3. Step 3: Cross multiply
    109,156,724.20x = 163,735,086.30 × 80,458,910.20
  4. Step 4: Simplify right side
    109,156,724.20x = 13,173,946,605,200,952
  5. Step 5: Solve for x
    x = 13,173,946,605,200,952/109,156,724.20
  6. Step 6: Final answer
    x = 120,688,365.30

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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.