Home / 99,525,096.80-149,287,645.20-56,478,375.80

Finding the Fourth Proportional to 99,525,096.80, 149,287,645.20 and 56,478,375.80

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Solution

The fourth proportional to 99,525,096.80, 149,287,645.20 and 56,478,375.80 is: 84,717,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,525,096.80 : 149,287,645.20 = 56,478,375.80 : x
  2. Step 2: Convert to fraction form
    99,525,096.80/149,287,645.20 = 56,478,375.80/x
  3. Step 3: Cross multiply
    99,525,096.80x = 149,287,645.20 × 56,478,375.80
  4. Step 4: Simplify right side
    99,525,096.80x = 8,431,523,727,902,665
  5. Step 5: Solve for x
    x = 8,431,523,727,902,665/99,525,096.80
  6. Step 6: Final answer
    x = 84,717,563.70

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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.