Home / 215,580,808.20-323,373,977.10-71,973,640.20

Finding the Fourth Proportional to 215,580,808.20, 323,373,977.10 and 71,973,640.20

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Solution

The fourth proportional to 215,580,808.20, 323,373,977.10 and 71,973,640.20 is: 107,961,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,580,808.20 : 323,373,977.10 = 71,973,640.20 : x
  2. Step 2: Convert to fraction form
    215,580,808.20/323,373,977.10 = 71,973,640.20/x
  3. Step 3: Cross multiply
    215,580,808.20x = 323,373,977.10 × 71,973,640.20
  4. Step 4: Simplify right side
    215,580,808.20x = 23,274,402,277,838,444
  5. Step 5: Solve for x
    x = 23,274,402,277,838,444/215,580,808.20
  6. Step 6: Final answer
    x = 107,961,383.35

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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.