Home / 162,214,769.82-243,337,113.90-53,040,500.76

Finding the Fourth Proportional to 162,214,769.82, 243,337,113.90 and 53,040,500.76

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Solution

The fourth proportional to 162,214,769.82, 243,337,113.90 and 53,040,500.76 is: 79,565,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,214,769.82 : 243,337,113.90 = 53,040,500.76 : x
  2. Step 2: Convert to fraction form
    162,214,769.82/243,337,113.90 = 53,040,500.76/x
  3. Step 3: Cross multiply
    162,214,769.82x = 243,337,113.90 × 53,040,500.76
  4. Step 4: Simplify right side
    162,214,769.82x = 12,906,722,374,749,156
  5. Step 5: Solve for x
    x = 12,906,722,374,749,156/162,214,769.82
  6. Step 6: Final answer
    x = 79,565,642.44

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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.