Home / 151,192,321.94-226,604,237.06-78,368,954.42

Finding the Fourth Proportional to 151,192,321.94, 226,604,237.06 and 78,368,954.42

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Solution

The fourth proportional to 151,192,321.94, 226,604,237.06 and 78,368,954.42 is: 117,457,929.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,192,321.94 : 226,604,237.06 = 78,368,954.42 : x
  2. Step 2: Convert to fraction form
    151,192,321.94/226,604,237.06 = 78,368,954.42/x
  3. Step 3: Cross multiply
    151,192,321.94x = 226,604,237.06 × 78,368,954.42
  4. Step 4: Simplify right side
    151,192,321.94x = 17,758,737,125,534,016
  5. Step 5: Solve for x
    x = 17,758,737,125,534,016/151,192,321.94
  6. Step 6: Final answer
    x = 117,457,929.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.