Home / 99,646,273.20-149,469,409.80-45,898,561.20

Finding the Fourth Proportional to 99,646,273.20, 149,469,409.80 and 45,898,561.20

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Solution

The fourth proportional to 99,646,273.20, 149,469,409.80 and 45,898,561.20 is: 68,847,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,646,273.20 : 149,469,409.80 = 45,898,561.20 : x
  2. Step 2: Convert to fraction form
    99,646,273.20/149,469,409.80 = 45,898,561.20/x
  3. Step 3: Cross multiply
    99,646,273.20x = 149,469,409.80 × 45,898,561.20
  4. Step 4: Simplify right side
    99,646,273.20x = 6,860,430,853,233,181
  5. Step 5: Solve for x
    x = 6,860,430,853,233,181/99,646,273.20
  6. Step 6: Final answer
    x = 68,847,841.80

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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.