Home / 120,433,725.76-166,161,925.92-68,214,464.32

Finding the Fourth Proportional to 120,433,725.76, 166,161,925.92 and 68,214,464.32

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Solution

The fourth proportional to 120,433,725.76, 166,161,925.92 and 68,214,464.32 is: 94,115,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,433,725.76 : 166,161,925.92 = 68,214,464.32 : x
  2. Step 2: Convert to fraction form
    120,433,725.76/166,161,925.92 = 68,214,464.32/x
  3. Step 3: Cross multiply
    120,433,725.76x = 166,161,925.92 × 68,214,464.32
  4. Step 4: Simplify right side
    120,433,725.76x = 11,334,646,767,012,322
  5. Step 5: Solve for x
    x = 11,334,646,767,012,322/120,433,725.76
  6. Step 6: Final answer
    x = 94,115,221.43

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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.