Home / 120,455,879.32-166,228,534.78-68,244,802.73

Finding the Fourth Proportional to 120,455,879.32, 166,228,534.78 and 68,244,802.73

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Solution

The fourth proportional to 120,455,879.32, 166,228,534.78 and 68,244,802.73 is: 94,177,499.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,455,879.32 : 166,228,534.78 = 68,244,802.73 : x
  2. Step 2: Convert to fraction form
    120,455,879.32/166,228,534.78 = 68,244,802.73/x
  3. Step 3: Cross multiply
    120,455,879.32x = 166,228,534.78 × 68,244,802.73
  4. Step 4: Simplify right side
    120,455,879.32x = 11,344,233,564,163,184
  5. Step 5: Solve for x
    x = 11,344,233,564,163,184/120,455,879.32
  6. Step 6: Final answer
    x = 94,177,499.91

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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.