Home / 198,189,410.40-297,284,115.60-125,629,999.20

Finding the Fourth Proportional to 198,189,410.40, 297,284,115.60 and 125,629,999.20

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Solution

The fourth proportional to 198,189,410.40, 297,284,115.60 and 125,629,999.20 is: 188,444,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,189,410.40 : 297,284,115.60 = 125,629,999.20 : x
  2. Step 2: Convert to fraction form
    198,189,410.40/297,284,115.60 = 125,629,999.20/x
  3. Step 3: Cross multiply
    198,189,410.40x = 297,284,115.60 × 125,629,999.20
  4. Step 4: Simplify right side
    198,189,410.40x = 37,347,803,205,000,712
  5. Step 5: Solve for x
    x = 37,347,803,205,000,712/198,189,410.40
  6. Step 6: Final answer
    x = 188,444,998.80

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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.