Home / 98,821,563.20-148,290,578.40-41,309,403.20

Finding the Fourth Proportional to 98,821,563.20, 148,290,578.40 and 41,309,403.20

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Solution

The fourth proportional to 98,821,563.20, 148,290,578.40 and 41,309,403.20 is: 61,988,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821,563.20 : 148,290,578.40 = 41,309,403.20 : x
  2. Step 2: Convert to fraction form
    98,821,563.20/148,290,578.40 = 41,309,403.20/x
  3. Step 3: Cross multiply
    98,821,563.20x = 148,290,578.40 × 41,309,403.20
  4. Step 4: Simplify right side
    98,821,563.20x = 6,125,795,293,886,812
  5. Step 5: Solve for x
    x = 6,125,795,293,886,812/98,821,563.20
  6. Step 6: Final answer
    x = 61,988,447.62

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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.