Home / 122,267,362.84-168,971,049.82-100,206,065.94

Finding the Fourth Proportional to 122,267,362.84, 168,971,049.82 and 100,206,065.94

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Solution

The fourth proportional to 122,267,362.84, 168,971,049.82 and 100,206,065.94 is: 138,482,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,267,362.84 : 168,971,049.82 = 100,206,065.94 : x
  2. Step 2: Convert to fraction form
    122,267,362.84/168,971,049.82 = 100,206,065.94/x
  3. Step 3: Cross multiply
    122,267,362.84x = 168,971,049.82 × 100,206,065.94
  4. Step 4: Simplify right side
    122,267,362.84x = 16,931,924,160,213,944
  5. Step 5: Solve for x
    x = 16,931,924,160,213,944/122,267,362.84
  6. Step 6: Final answer
    x = 138,482,778.78

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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.