Home / 240,236,662.77-331,505,966.79-139,783,684.95

Finding the Fourth Proportional to 240,236,662.77, 331,505,966.79 and 139,783,684.95

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Solution

The fourth proportional to 240,236,662.77, 331,505,966.79 and 139,783,684.95 is: 192,889,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,236,662.77 : 331,505,966.79 = 139,783,684.95 : x
  2. Step 2: Convert to fraction form
    240,236,662.77/331,505,966.79 = 139,783,684.95/x
  3. Step 3: Cross multiply
    240,236,662.77x = 331,505,966.79 × 139,783,684.95
  4. Step 4: Simplify right side
    240,236,662.77x = 46,339,125,620,818,520
  5. Step 5: Solve for x
    x = 46,339,125,620,818,520/240,236,662.77
  6. Step 6: Final answer
    x = 192,889,482.76

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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.