Home / 145,151,889.86-200,309,519.70-79,961,793.86

Finding the Fourth Proportional to 145,151,889.86, 200,309,519.70 and 79,961,793.86

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Solution

The fourth proportional to 145,151,889.86, 200,309,519.70 and 79,961,793.86 is: 110,347,226.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,151,889.86 : 200,309,519.70 = 79,961,793.86 : x
  2. Step 2: Convert to fraction form
    145,151,889.86/200,309,519.70 = 79,961,793.86/x
  3. Step 3: Cross multiply
    145,151,889.86x = 200,309,519.70 × 79,961,793.86
  4. Step 4: Simplify right side
    145,151,889.86x = 16,017,108,522,947,782
  5. Step 5: Solve for x
    x = 16,017,108,522,947,782/145,151,889.86
  6. Step 6: Final answer
    x = 110,347,226.88

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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.