Home / 112,203,520.60-168,305,280.90-69,156,799.60

Finding the Fourth Proportional to 112,203,520.60, 168,305,280.90 and 69,156,799.60

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Solution

The fourth proportional to 112,203,520.60, 168,305,280.90 and 69,156,799.60 is: 103,735,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203,520.60 : 168,305,280.90 = 69,156,799.60 : x
  2. Step 2: Convert to fraction form
    112,203,520.60/168,305,280.90 = 69,156,799.60/x
  3. Step 3: Cross multiply
    112,203,520.60x = 168,305,280.90 × 69,156,799.60
  4. Step 4: Simplify right side
    112,203,520.60x = 11,639,454,582,823,008
  5. Step 5: Solve for x
    x = 11,639,454,582,823,008/112,203,520.60
  6. Step 6: Final answer
    x = 103,735,199.40

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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.