Home / 43,653,998.40-65,480,997.60-18,086,510.40

Finding the Fourth Proportional to 43,653,998.40, 65,480,997.60 and 18,086,510.40

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Solution

The fourth proportional to 43,653,998.40, 65,480,997.60 and 18,086,510.40 is: 27,129,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653,998.40 : 65,480,997.60 = 18,086,510.40 : x
  2. Step 2: Convert to fraction form
    43,653,998.40/65,480,997.60 = 18,086,510.40/x
  3. Step 3: Cross multiply
    43,653,998.40x = 65,480,997.60 × 18,086,510.40
  4. Step 4: Simplify right side
    43,653,998.40x = 1,184,322,744,094,775
  5. Step 5: Solve for x
    x = 1,184,322,744,094,775/43,653,998.40
  6. Step 6: Final answer
    x = 27,129,765.60

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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.