Home / 168,895,145.20-253,044,119.40-149,784,847.60

Finding the Fourth Proportional to 168,895,145.20, 253,044,119.40 and 149,784,847.60

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Solution

The fourth proportional to 168,895,145.20, 253,044,119.40 and 149,784,847.60 is: 224,412,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,895,145.20 : 253,044,119.40 = 149,784,847.60 : x
  2. Step 2: Convert to fraction form
    168,895,145.20/253,044,119.40 = 149,784,847.60/x
  3. Step 3: Cross multiply
    168,895,145.20x = 253,044,119.40 × 149,784,847.60
  4. Step 4: Simplify right side
    168,895,145.20x = 37,902,174,860,405,200
  5. Step 5: Solve for x
    x = 37,902,174,860,405,200/168,895,145.20
  6. Step 6: Final answer
    x = 224,412,459.08

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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.