Home / 120,384,779.85-166,141,242.18-68,183,101.89

Finding the Fourth Proportional to 120,384,779.85, 166,141,242.18 and 68,183,101.89

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Solution

The fourth proportional to 120,384,779.85, 166,141,242.18 and 68,183,101.89 is: 94,098,483.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,779.85 : 166,141,242.18 = 68,183,101.89 : x
  2. Step 2: Convert to fraction form
    120,384,779.85/166,141,242.18 = 68,183,101.89/x
  3. Step 3: Cross multiply
    120,384,779.85x = 166,141,242.18 × 68,183,101.89
  4. Step 4: Simplify right side
    120,384,779.85x = 11,328,025,243,690,106
  5. Step 5: Solve for x
    x = 11,328,025,243,690,106/120,384,779.85
  6. Step 6: Final answer
    x = 94,098,483.69

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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.