Home / 215,271,855.50-322,645,448.81-111,583,896.71

Finding the Fourth Proportional to 215,271,855.50, 322,645,448.81 and 111,583,896.71

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Solution

The fourth proportional to 215,271,855.50, 322,645,448.81 and 111,583,896.71 is: 167,239,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,271,855.50 : 322,645,448.81 = 111,583,896.71 : x
  2. Step 2: Convert to fraction form
    215,271,855.50/322,645,448.81 = 111,583,896.71/x
  3. Step 3: Cross multiply
    215,271,855.50x = 322,645,448.81 × 111,583,896.71
  4. Step 4: Simplify right side
    215,271,855.50x = 36,002,036,432,632,364
  5. Step 5: Solve for x
    x = 36,002,036,432,632,364/215,271,855.50
  6. Step 6: Final answer
    x = 167,239,866.77

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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.