Home / 82,382,667.20-123,574,000.80-21,804,516.80

Finding the Fourth Proportional to 82,382,667.20, 123,574,000.80 and 21,804,516.80

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Solution

The fourth proportional to 82,382,667.20, 123,574,000.80 and 21,804,516.80 is: 32,706,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,382,667.20 : 123,574,000.80 = 21,804,516.80 : x
  2. Step 2: Convert to fraction form
    82,382,667.20/123,574,000.80 = 21,804,516.80/x
  3. Step 3: Cross multiply
    82,382,667.20x = 123,574,000.80 × 21,804,516.80
  4. Step 4: Simplify right side
    82,382,667.20x = 2,694,471,376,486,813.50
  5. Step 5: Solve for x
    x = 2,694,471,376,486,813.50/82,382,667.20
  6. Step 6: Final answer
    x = 32,706,775.20

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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.