Home / 98,839,135.48-148,325,683.62-40,557,350.20

Finding the Fourth Proportional to 98,839,135.48, 148,325,683.62 and 40,557,350.20

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Solution

The fourth proportional to 98,839,135.48, 148,325,683.62 and 40,557,350.20 is: 60,863,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,839,135.48 : 148,325,683.62 = 40,557,350.20 : x
  2. Step 2: Convert to fraction form
    98,839,135.48/148,325,683.62 = 40,557,350.20/x
  3. Step 3: Cross multiply
    98,839,135.48x = 148,325,683.62 × 40,557,350.20
  4. Step 4: Simplify right side
    98,839,135.48x = 6,015,696,694,230,744
  5. Step 5: Solve for x
    x = 6,015,696,694,230,744/98,839,135.48
  6. Step 6: Final answer
    x = 60,863,509.83

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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.