Home / 99,100,515.60-148,650,773.40-73,591,347.60

Finding the Fourth Proportional to 99,100,515.60, 148,650,773.40 and 73,591,347.60

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Solution

The fourth proportional to 99,100,515.60, 148,650,773.40 and 73,591,347.60 is: 110,387,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,100,515.60 : 148,650,773.40 = 73,591,347.60 : x
  2. Step 2: Convert to fraction form
    99,100,515.60/148,650,773.40 = 73,591,347.60/x
  3. Step 3: Cross multiply
    99,100,515.60x = 148,650,773.40 × 73,591,347.60
  4. Step 4: Simplify right side
    99,100,515.60x = 10,939,410,736,288,234
  5. Step 5: Solve for x
    x = 10,939,410,736,288,234/99,100,515.60
  6. Step 6: Final answer
    x = 110,387,021.40

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Double scale
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Similar ratio
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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.