Home / 99,661,520.20-149,492,280.30-93,614,902.60

Finding the Fourth Proportional to 99,661,520.20, 149,492,280.30 and 93,614,902.60

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Solution

The fourth proportional to 99,661,520.20, 149,492,280.30 and 93,614,902.60 is: 140,422,353.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661,520.20 : 149,492,280.30 = 93,614,902.60 : x
  2. Step 2: Convert to fraction form
    99,661,520.20/149,492,280.30 = 93,614,902.60/x
  3. Step 3: Cross multiply
    99,661,520.20x = 149,492,280.30 × 93,614,902.60
  4. Step 4: Simplify right side
    99,661,520.20x = 13,994,705,259,736,400
  5. Step 5: Solve for x
    x = 13,994,705,259,736,400/99,661,520.20
  6. Step 6: Final answer
    x = 140,422,353.90

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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.