Home / 120,384,749.92-166,141,200.64-68,183,072

Finding the Fourth Proportional to 120,384,749.92, 166,141,200.64 and 68,183,072

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Solution

The fourth proportional to 120,384,749.92, 166,141,200.64 and 68,183,072 is: 94,098,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,384,749.92 : 166,141,200.64 = 68,183,072 : x
  2. Step 2: Convert to fraction form
    120,384,749.92/166,141,200.64 = 68,183,072/x
  3. Step 3: Cross multiply
    120,384,749.92x = 166,141,200.64 × 68,183,072
  4. Step 4: Simplify right side
    120,384,749.92x = 11,328,017,445,403,566
  5. Step 5: Solve for x
    x = 11,328,017,445,403,566/120,384,749.92
  6. Step 6: Final answer
    x = 94,098,442.31

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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.