Home / 165,074,676.60-247,024,149.30-143,743,553.40

Finding the Fourth Proportional to 165,074,676.60, 247,024,149.30 and 143,743,553.40

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Solution

The fourth proportional to 165,074,676.60, 247,024,149.30 and 143,743,553.40 is: 215,103,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,074,676.60 : 247,024,149.30 = 143,743,553.40 : x
  2. Step 2: Convert to fraction form
    165,074,676.60/247,024,149.30 = 143,743,553.40/x
  3. Step 3: Cross multiply
    165,074,676.60x = 247,024,149.30 × 143,743,553.40
  4. Step 4: Simplify right side
    165,074,676.60x = 35,508,128,995,994,124
  5. Step 5: Solve for x
    x = 35,508,128,995,994,124/165,074,676.60
  6. Step 6: Final answer
    x = 215,103,429.11

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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.