Home / 38,136,066.60-57,204,099.90-20,220,162.60

Finding the Fourth Proportional to 38,136,066.60, 57,204,099.90 and 20,220,162.60

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Solution

The fourth proportional to 38,136,066.60, 57,204,099.90 and 20,220,162.60 is: 30,330,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136,066.60 : 57,204,099.90 = 20,220,162.60 : x
  2. Step 2: Convert to fraction form
    38,136,066.60/57,204,099.90 = 20,220,162.60/x
  3. Step 3: Cross multiply
    38,136,066.60x = 57,204,099.90 × 20,220,162.60
  4. Step 4: Simplify right side
    38,136,066.60x = 1,156,676,201,364,643.75
  5. Step 5: Solve for x
    x = 1,156,676,201,364,643.75/38,136,066.60
  6. Step 6: Final answer
    x = 30,330,243.90

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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.