Home / 120,384,796-166,141,264.08-68,183,118.04

Finding the Fourth Proportional to 120,384,796, 166,141,264.08 and 68,183,118.04

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Solution

The fourth proportional to 120,384,796, 166,141,264.08 and 68,183,118.04 is: 94,098,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,796 : 166,141,264.08 = 68,183,118.04 : x
  2. Step 2: Convert to fraction form
    120,384,796/166,141,264.08 = 68,183,118.04/x
  3. Step 3: Cross multiply
    120,384,796x = 166,141,264.08 × 68,183,118.04
  4. Step 4: Simplify right side
    120,384,796x = 11,328,029,420,081,454
  5. Step 5: Solve for x
    x = 11,328,029,420,081,454/120,384,796
  6. Step 6: Final answer
    x = 94,098,505.76

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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.