Home / 82,007,222.30-123,012,145.65-21,422,948.30

Finding the Fourth Proportional to 82,007,222.30, 123,012,145.65 and 21,422,948.30

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Solution

The fourth proportional to 82,007,222.30, 123,012,145.65 and 21,422,948.30 is: 32,134,765.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,007,222.30 : 123,012,145.65 = 21,422,948.30 : x
  2. Step 2: Convert to fraction form
    82,007,222.30/123,012,145.65 = 21,422,948.30/x
  3. Step 3: Cross multiply
    82,007,222.30x = 123,012,145.65 × 21,422,948.30
  4. Step 4: Simplify right side
    82,007,222.30x = 2,635,282,836,532,020
  5. Step 5: Solve for x
    x = 2,635,282,836,532,020/82,007,222.30
  6. Step 6: Final answer
    x = 32,134,765.24

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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.