Home / 120,455,880.32-166,228,536.16-68,244,803.73

Finding the Fourth Proportional to 120,455,880.32, 166,228,536.16 and 68,244,803.73

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Solution

The fourth proportional to 120,455,880.32, 166,228,536.16 and 68,244,803.73 is: 94,177,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,455,880.32 : 166,228,536.16 = 68,244,803.73 : x
  2. Step 2: Convert to fraction form
    120,455,880.32/166,228,536.16 = 68,244,803.73/x
  3. Step 3: Cross multiply
    120,455,880.32x = 166,228,536.16 × 68,244,803.73
  4. Step 4: Simplify right side
    120,455,880.32x = 11,344,233,824,564,408
  5. Step 5: Solve for x
    x = 11,344,233,824,564,408/120,455,880.32
  6. Step 6: Final answer
    x = 94,177,501.29

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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.