Home / 139,969,200.30-209,953,800.45-123,529,958.70

Finding the Fourth Proportional to 139,969,200.30, 209,953,800.45 and 123,529,958.70

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Solution

The fourth proportional to 139,969,200.30, 209,953,800.45 and 123,529,958.70 is: 185,294,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,200.30 : 209,953,800.45 = 123,529,958.70 : x
  2. Step 2: Convert to fraction form
    139,969,200.30/209,953,800.45 = 123,529,958.70/x
  3. Step 3: Cross multiply
    139,969,200.30x = 209,953,800.45 × 123,529,958.70
  4. Step 4: Simplify right side
    139,969,200.30x = 25,935,584,298,496,540
  5. Step 5: Solve for x
    x = 25,935,584,298,496,540/139,969,200.30
  6. Step 6: Final answer
    x = 185,294,938.05

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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.