Home / 145,183,121.73-200,350,185.30-79,104,162.98

Finding the Fourth Proportional to 145,183,121.73, 200,350,185.30 and 79,104,162.98

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Solution

The fourth proportional to 145,183,121.73, 200,350,185.30 and 79,104,162.98 is: 109,162,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,183,121.73 : 200,350,185.30 = 79,104,162.98 : x
  2. Step 2: Convert to fraction form
    145,183,121.73/200,350,185.30 = 79,104,162.98/x
  3. Step 3: Cross multiply
    145,183,121.73x = 200,350,185.30 × 79,104,162.98
  4. Step 4: Simplify right side
    145,183,121.73x = 15,848,533,709,647,126
  5. Step 5: Solve for x
    x = 15,848,533,709,647,126/145,183,121.73
  6. Step 6: Final answer
    x = 109,162,370.40

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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.