Home / 196,517,018.44-294,484,396.38-79,790,431.24

Finding the Fourth Proportional to 196,517,018.44, 294,484,396.38 and 79,790,431.24

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Solution

The fourth proportional to 196,517,018.44, 294,484,396.38 and 79,790,431.24 is: 119,567,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,517,018.44 : 294,484,396.38 = 79,790,431.24 : x
  2. Step 2: Convert to fraction form
    196,517,018.44/294,484,396.38 = 79,790,431.24/x
  3. Step 3: Cross multiply
    196,517,018.44x = 294,484,396.38 × 79,790,431.24
  4. Step 4: Simplify right side
    196,517,018.44x = 23,497,036,980,611,292
  5. Step 5: Solve for x
    x = 23,497,036,980,611,292/196,517,018.44
  6. Step 6: Final answer
    x = 119,567,440.86

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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.