Home / 145,151,890.37-200,309,520.39-79,961,794.37

Finding the Fourth Proportional to 145,151,890.37, 200,309,520.39 and 79,961,794.37

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Solution

The fourth proportional to 145,151,890.37, 200,309,520.39 and 79,961,794.37 is: 110,347,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,890.37 : 200,309,520.39 = 79,961,794.37 : x
  2. Step 2: Convert to fraction form
    145,151,890.37/200,309,520.39 = 79,961,794.37/x
  3. Step 3: Cross multiply
    145,151,890.37x = 200,309,520.39 × 79,961,794.37
  4. Step 4: Simplify right side
    145,151,890.37x = 16,017,108,678,776,952
  5. Step 5: Solve for x
    x = 16,017,108,678,776,952/145,151,890.37
  6. Step 6: Final answer
    x = 110,347,227.57

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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.