Home / 165,957,580.30-248,936,370.45-154,620,172.30

Finding the Fourth Proportional to 165,957,580.30, 248,936,370.45 and 154,620,172.30

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Solution

The fourth proportional to 165,957,580.30, 248,936,370.45 and 154,620,172.30 is: 231,930,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,957,580.30 : 248,936,370.45 = 154,620,172.30 : x
  2. Step 2: Convert to fraction form
    165,957,580.30/248,936,370.45 = 154,620,172.30/x
  3. Step 3: Cross multiply
    165,957,580.30x = 248,936,370.45 × 154,620,172.30
  4. Step 4: Simplify right side
    165,957,580.30x = 38,490,584,490,715,632
  5. Step 5: Solve for x
    x = 38,490,584,490,715,632/165,957,580.30
  6. Step 6: Final answer
    x = 231,930,258.45

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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.