Home / 212,311,042.73-318,318,498.38-94,071,494.21

Finding the Fourth Proportional to 212,311,042.73, 318,318,498.38 and 94,071,494.21

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Solution

The fourth proportional to 212,311,042.73, 318,318,498.38 and 94,071,494.21 is: 141,041,635.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,311,042.73 : 318,318,498.38 = 94,071,494.21 : x
  2. Step 2: Convert to fraction form
    212,311,042.73/318,318,498.38 = 94,071,494.21/x
  3. Step 3: Cross multiply
    212,311,042.73x = 318,318,498.38 × 94,071,494.21
  4. Step 4: Simplify right side
    212,311,042.73x = 29,944,696,778,321,040
  5. Step 5: Solve for x
    x = 29,944,696,778,321,040/212,311,042.73
  6. Step 6: Final answer
    x = 141,041,635.87

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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.