Home / 120,930,546.78-166,882,560.84-68,007,238.74

Finding the Fourth Proportional to 120,930,546.78, 166,882,560.84 and 68,007,238.74

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Solution

The fourth proportional to 120,930,546.78, 166,882,560.84 and 68,007,238.74 is: 93,849,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,930,546.78 : 166,882,560.84 = 68,007,238.74 : x
  2. Step 2: Convert to fraction form
    120,930,546.78/166,882,560.84 = 68,007,238.74/x
  3. Step 3: Cross multiply
    120,930,546.78x = 166,882,560.84 × 68,007,238.74
  4. Step 4: Simplify right side
    120,930,546.78x = 11,349,222,156,588,454
  5. Step 5: Solve for x
    x = 11,349,222,156,588,454/120,930,546.78
  6. Step 6: Final answer
    x = 93,849,093.21

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1.5x scale

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.