Home / 198,587,104.78-274,052,726.64-109,289,330.32

Finding the Fourth Proportional to 198,587,104.78, 274,052,726.64 and 109,289,330.32

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Solution

The fourth proportional to 198,587,104.78, 274,052,726.64 and 109,289,330.32 is: 150,820,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,587,104.78 : 274,052,726.64 = 109,289,330.32 : x
  2. Step 2: Convert to fraction form
    198,587,104.78/274,052,726.64 = 109,289,330.32/x
  3. Step 3: Cross multiply
    198,587,104.78x = 274,052,726.64 × 109,289,330.32
  4. Step 4: Simplify right side
    198,587,104.78x = 29,951,038,966,855,620
  5. Step 5: Solve for x
    x = 29,951,038,966,855,620/198,587,104.78
  6. Step 6: Final answer
    x = 150,820,663.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.