Home / 111,293,999.10-166,940,998.65-99,389,720.70

Finding the Fourth Proportional to 111,293,999.10, 166,940,998.65 and 99,389,720.70

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Solution

The fourth proportional to 111,293,999.10, 166,940,998.65 and 99,389,720.70 is: 149,084,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,293,999.10 : 166,940,998.65 = 99,389,720.70 : x
  2. Step 2: Convert to fraction form
    111,293,999.10/166,940,998.65 = 99,389,720.70/x
  3. Step 3: Cross multiply
    111,293,999.10x = 166,940,998.65 × 99,389,720.70
  4. Step 4: Simplify right side
    111,293,999.10x = 16,592,219,229,202,578
  5. Step 5: Solve for x
    x = 16,592,219,229,202,578/111,293,999.10
  6. Step 6: Final answer
    x = 149,084,581.05

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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.