Home / 98,839,103.88-148,325,636.08-40,557,318.48

Finding the Fourth Proportional to 98,839,103.88, 148,325,636.08 and 40,557,318.48

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Solution

The fourth proportional to 98,839,103.88, 148,325,636.08 and 40,557,318.48 is: 60,863,462.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,839,103.88 : 148,325,636.08 = 40,557,318.48 : x
  2. Step 2: Convert to fraction form
    98,839,103.88/148,325,636.08 = 40,557,318.48/x
  3. Step 3: Cross multiply
    98,839,103.88x = 148,325,636.08 × 40,557,318.48
  4. Step 4: Simplify right side
    98,839,103.88x = 6,015,690,061,245,139
  5. Step 5: Solve for x
    x = 6,015,690,061,245,139/98,839,103.88
  6. Step 6: Final answer
    x = 60,863,462.18

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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.