Home / 120,508,780.62-166,320,297.34-73,493,130.36

Finding the Fourth Proportional to 120,508,780.62, 166,320,297.34 and 73,493,130.36

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Solution

The fourth proportional to 120,508,780.62, 166,320,297.34 and 73,493,130.36 is: 101,431,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,508,780.62 : 166,320,297.34 = 73,493,130.36 : x
  2. Step 2: Convert to fraction form
    120,508,780.62/166,320,297.34 = 73,493,130.36/x
  3. Step 3: Cross multiply
    120,508,780.62x = 166,320,297.34 × 73,493,130.36
  4. Step 4: Simplify right side
    120,508,780.62x = 12,223,399,293,922,582
  5. Step 5: Solve for x
    x = 12,223,399,293,922,582/120,508,780.62
  6. Step 6: Final answer
    x = 101,431,607.15

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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.