Home / 162,072,679.67-243,108,206.43-39,250,993.79

Finding the Fourth Proportional to 162,072,679.67, 243,108,206.43 and 39,250,993.79

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Solution

The fourth proportional to 162,072,679.67, 243,108,206.43 and 39,250,993.79 is: 58,876,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,072,679.67 : 243,108,206.43 = 39,250,993.79 : x
  2. Step 2: Convert to fraction form
    162,072,679.67/243,108,206.43 = 39,250,993.79/x
  3. Step 3: Cross multiply
    162,072,679.67x = 243,108,206.43 × 39,250,993.79
  4. Step 4: Simplify right side
    162,072,679.67x = 9,542,238,701,563,138
  5. Step 5: Solve for x
    x = 9,542,238,701,563,138/162,072,679.67
  6. Step 6: Final answer
    x = 58,876,293.78

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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.