Home / 165,623,800.66-248,481,789.96-72,258,941.78

Finding the Fourth Proportional to 165,623,800.66, 248,481,789.96 and 72,258,941.78

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Solution

The fourth proportional to 165,623,800.66, 248,481,789.96 and 72,258,941.78 is: 108,408,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,623,800.66 : 248,481,789.96 = 72,258,941.78 : x
  2. Step 2: Convert to fraction form
    165,623,800.66/248,481,789.96 = 72,258,941.78/x
  3. Step 3: Cross multiply
    165,623,800.66x = 248,481,789.96 × 72,258,941.78
  4. Step 4: Simplify right side
    165,623,800.66x = 17,955,031,194,109,830
  5. Step 5: Solve for x
    x = 17,955,031,194,109,830/165,623,800.66
  6. Step 6: Final answer
    x = 108,408,520.53

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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.