Home / 143,067,497.40-214,629,239.70-61,186,217.40

Finding the Fourth Proportional to 143,067,497.40, 214,629,239.70 and 61,186,217.40

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Solution

The fourth proportional to 143,067,497.40, 214,629,239.70 and 61,186,217.40 is: 91,791,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,067,497.40 : 214,629,239.70 = 61,186,217.40 : x
  2. Step 2: Convert to fraction form
    143,067,497.40/214,629,239.70 = 61,186,217.40/x
  3. Step 3: Cross multiply
    143,067,497.40x = 214,629,239.70 × 61,186,217.40
  4. Step 4: Simplify right side
    143,067,497.40x = 13,132,351,320,680,910
  5. Step 5: Solve for x
    x = 13,132,351,320,680,910/143,067,497.40
  6. Step 6: Final answer
    x = 91,791,298.23

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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.