Home / 99,621,851.10-149,544,751.05-77,003,022.30

Finding the Fourth Proportional to 99,621,851.10, 149,544,751.05 and 77,003,022.30

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Solution

The fourth proportional to 99,621,851.10, 149,544,751.05 and 77,003,022.30 is: 115,591,084.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,621,851.10 : 149,544,751.05 = 77,003,022.30 : x
  2. Step 2: Convert to fraction form
    99,621,851.10/149,544,751.05 = 77,003,022.30/x
  3. Step 3: Cross multiply
    99,621,851.10x = 149,544,751.05 × 77,003,022.30
  4. Step 4: Simplify right side
    99,621,851.10x = 11,515,397,799,951,098
  5. Step 5: Solve for x
    x = 11,515,397,799,951,098/99,621,851.10
  6. Step 6: Final answer
    x = 115,591,084.41

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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.