Home / 139,969,937.70-209,954,906.55-63,442,433.70

Finding the Fourth Proportional to 139,969,937.70, 209,954,906.55 and 63,442,433.70

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Solution

The fourth proportional to 139,969,937.70, 209,954,906.55 and 63,442,433.70 is: 95,163,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,969,937.70 : 209,954,906.55 = 63,442,433.70 : x
  2. Step 2: Convert to fraction form
    139,969,937.70/209,954,906.55 = 63,442,433.70/x
  3. Step 3: Cross multiply
    139,969,937.70x = 209,954,906.55 × 63,442,433.70
  4. Step 4: Simplify right side
    139,969,937.70x = 13,320,050,238,788,072
  5. Step 5: Solve for x
    x = 13,320,050,238,788,072/139,969,937.70
  6. Step 6: Final answer
    x = 95,163,650.55

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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.