Home / 139,968,000.45-209,952,000.68-136,188,864.45

Finding the Fourth Proportional to 139,968,000.45, 209,952,000.68 and 136,188,864.45

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Solution

The fourth proportional to 139,968,000.45, 209,952,000.68 and 136,188,864.45 is: 204,283,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,000.45 : 209,952,000.68 = 136,188,864.45 : x
  2. Step 2: Convert to fraction form
    139,968,000.45/209,952,000.68 = 136,188,864.45/x
  3. Step 3: Cross multiply
    139,968,000.45x = 209,952,000.68 × 136,188,864.45
  4. Step 4: Simplify right side
    139,968,000.45x = 28,593,124,560,933,884
  5. Step 5: Solve for x
    x = 28,593,124,560,933,884/139,968,000.45
  6. Step 6: Final answer
    x = 204,283,296.68

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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.