Home / 139,467,617.70-209,201,425.50-50,842,834.77

Finding the Fourth Proportional to 139,467,617.70, 209,201,425.50 and 50,842,834.77

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Solution

The fourth proportional to 139,467,617.70, 209,201,425.50 and 50,842,834.77 is: 76,264,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,467,617.70 : 209,201,425.50 = 50,842,834.77 : x
  2. Step 2: Convert to fraction form
    139,467,617.70/209,201,425.50 = 50,842,834.77/x
  3. Step 3: Cross multiply
    139,467,617.70x = 209,201,425.50 × 50,842,834.77
  4. Step 4: Simplify right side
    139,467,617.70x = 10,636,393,510,344,966
  5. Step 5: Solve for x
    x = 10,636,393,510,344,966/139,467,617.70
  6. Step 6: Final answer
    x = 76,264,251.77

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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.