Home / 83,274,380.68-124,939,471.74-28,724,619.38

Finding the Fourth Proportional to 83,274,380.68, 124,939,471.74 and 28,724,619.38

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Solution

The fourth proportional to 83,274,380.68, 124,939,471.74 and 28,724,619.38 is: 43,096,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,274,380.68 : 124,939,471.74 = 28,724,619.38 : x
  2. Step 2: Convert to fraction form
    83,274,380.68/124,939,471.74 = 28,724,619.38/x
  3. Step 3: Cross multiply
    83,274,380.68x = 124,939,471.74 × 28,724,619.38
  4. Step 4: Simplify right side
    83,274,380.68x = 3,588,838,771,269,766
  5. Step 5: Solve for x
    x = 3,588,838,771,269,766/83,274,380.68
  6. Step 6: Final answer
    x = 43,096,553.13

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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.