Home / 217,728,008.10-326,592,012.15-125,895,003.30

Finding the Fourth Proportional to 217,728,008.10, 326,592,012.15 and 125,895,003.30

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Solution

The fourth proportional to 217,728,008.10, 326,592,012.15 and 125,895,003.30 is: 188,842,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,728,008.10 : 326,592,012.15 = 125,895,003.30 : x
  2. Step 2: Convert to fraction form
    217,728,008.10/326,592,012.15 = 125,895,003.30/x
  3. Step 3: Cross multiply
    217,728,008.10x = 326,592,012.15 × 125,895,003.30
  4. Step 4: Simplify right side
    217,728,008.10x = 41,116,302,447,377,888
  5. Step 5: Solve for x
    x = 41,116,302,447,377,888/217,728,008.10
  6. Step 6: Final answer
    x = 188,842,504.95

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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.