Home / 82,423,020.49-123,608,280.24-27,078,008.78

Finding the Fourth Proportional to 82,423,020.49, 123,608,280.24 and 27,078,008.78

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Solution

The fourth proportional to 82,423,020.49, 123,608,280.24 and 27,078,008.78 is: 40,608,389.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423,020.49 : 123,608,280.24 = 27,078,008.78 : x
  2. Step 2: Convert to fraction form
    82,423,020.49/123,608,280.24 = 27,078,008.78/x
  3. Step 3: Cross multiply
    82,423,020.49x = 123,608,280.24 × 27,078,008.78
  4. Step 4: Simplify right side
    82,423,020.49x = 3,347,066,097,065,741
  5. Step 5: Solve for x
    x = 3,347,066,097,065,741/82,423,020.49
  6. Step 6: Final answer
    x = 40,608,389.22

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1.5x scale

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.