Home / 120,295,408.62-166,007,827.72-65,291,267.82

Finding the Fourth Proportional to 120,295,408.62, 166,007,827.72 and 65,291,267.82

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Solution

The fourth proportional to 120,295,408.62, 166,007,827.72 and 65,291,267.82 is: 90,102,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,295,408.62 : 166,007,827.72 = 65,291,267.82 : x
  2. Step 2: Convert to fraction form
    120,295,408.62/166,007,827.72 = 65,291,267.82/x
  3. Step 3: Cross multiply
    120,295,408.62x = 166,007,827.72 × 65,291,267.82
  4. Step 4: Simplify right side
    120,295,408.62x = 10,838,861,539,882,940
  5. Step 5: Solve for x
    x = 10,838,861,539,882,940/120,295,408.62
  6. Step 6: Final answer
    x = 90,102,038.51

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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.