Home / 100,132,131.92-138,166,558.18-58,323,077.96

Finding the Fourth Proportional to 100,132,131.92, 138,166,558.18 and 58,323,077.96

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Solution

The fourth proportional to 100,132,131.92, 138,166,558.18 and 58,323,077.96 is: 80,476,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,132,131.92 : 138,166,558.18 = 58,323,077.96 : x
  2. Step 2: Convert to fraction form
    100,132,131.92/138,166,558.18 = 58,323,077.96/x
  3. Step 3: Cross multiply
    100,132,131.92x = 138,166,558.18 × 58,323,077.96
  4. Step 4: Simplify right side
    100,132,131.92x = 8,058,298,943,360,376
  5. Step 5: Solve for x
    x = 8,058,298,943,360,376/100,132,131.92
  6. Step 6: Final answer
    x = 80,476,654.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.