Home / 48,930,105.40-73,395,158.10-20,161,432.60

Finding the Fourth Proportional to 48,930,105.40, 73,395,158.10 and 20,161,432.60

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Solution

The fourth proportional to 48,930,105.40, 73,395,158.10 and 20,161,432.60 is: 30,242,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,930,105.40 : 73,395,158.10 = 20,161,432.60 : x
  2. Step 2: Convert to fraction form
    48,930,105.40/73,395,158.10 = 20,161,432.60/x
  3. Step 3: Cross multiply
    48,930,105.40x = 73,395,158.10 × 20,161,432.60
  4. Step 4: Simplify right side
    48,930,105.40x = 1,479,751,533,199,494
  5. Step 5: Solve for x
    x = 1,479,751,533,199,494/48,930,105.40
  6. Step 6: Final answer
    x = 30,242,148.90

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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.