Home / 145,223,998.20-217,835,997.30-91,476,286.20

Finding the Fourth Proportional to 145,223,998.20, 217,835,997.30 and 91,476,286.20

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Solution

The fourth proportional to 145,223,998.20, 217,835,997.30 and 91,476,286.20 is: 137,214,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,223,998.20 : 217,835,997.30 = 91,476,286.20 : x
  2. Step 2: Convert to fraction form
    145,223,998.20/217,835,997.30 = 91,476,286.20/x
  3. Step 3: Cross multiply
    145,223,998.20x = 217,835,997.30 × 91,476,286.20
  4. Step 4: Simplify right side
    145,223,998.20x = 19,926,828,033,677,228
  5. Step 5: Solve for x
    x = 19,926,828,033,677,228/145,223,998.20
  6. Step 6: Final answer
    x = 137,214,429.30

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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.