Home / 145,763,241.20-218,728,842.60-54,952,002.80

Finding the Fourth Proportional to 145,763,241.20, 218,728,842.60 and 54,952,002.80

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Solution

The fourth proportional to 145,763,241.20, 218,728,842.60 and 54,952,002.80 is: 82,459,664.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,763,241.20 : 218,728,842.60 = 54,952,002.80 : x
  2. Step 2: Convert to fraction form
    145,763,241.20/218,728,842.60 = 54,952,002.80/x
  3. Step 3: Cross multiply
    145,763,241.20x = 218,728,842.60 × 54,952,002.80
  4. Step 4: Simplify right side
    145,763,241.20x = 12,019,587,970,995,958
  5. Step 5: Solve for x
    x = 12,019,587,970,995,958/145,763,241.20
  6. Step 6: Final answer
    x = 82,459,664.54

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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.