Home / 243,325,900.53-335,677,183.90-215,476,992.45

Finding the Fourth Proportional to 243,325,900.53, 335,677,183.90 and 215,476,992.45

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Solution

The fourth proportional to 243,325,900.53, 335,677,183.90 and 215,476,992.45 is: 297,258,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,325,900.53 : 335,677,183.90 = 215,476,992.45 : x
  2. Step 2: Convert to fraction form
    243,325,900.53/335,677,183.90 = 215,476,992.45/x
  3. Step 3: Cross multiply
    243,325,900.53x = 335,677,183.90 × 215,476,992.45
  4. Step 4: Simplify right side
    243,325,900.53x = 72,330,710,020,318,864
  5. Step 5: Solve for x
    x = 72,330,710,020,318,864/243,325,900.53
  6. Step 6: Final answer
    x = 297,258,573.23

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Why These Related Problems?

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