Home / 217,715,100.48-326,620,431-160,032,494.88

Finding the Fourth Proportional to 217,715,100.48, 326,620,431 and 160,032,494.88

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Solution

The fourth proportional to 217,715,100.48, 326,620,431 and 160,032,494.88 is: 240,083,863.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,715,100.48 : 326,620,431 = 160,032,494.88 : x
  2. Step 2: Convert to fraction form
    217,715,100.48/326,620,431 = 160,032,494.88/x
  3. Step 3: Cross multiply
    217,715,100.48x = 326,620,431 × 160,032,494.88
  4. Step 4: Simplify right side
    217,715,100.48x = 52,269,882,451,710,888
  5. Step 5: Solve for x
    x = 52,269,882,451,710,888/217,715,100.48
  6. Step 6: Final answer
    x = 240,083,863.44

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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.