Home / 320,601,185.96-442,392,311.75-179,480,133.95

Finding the Fourth Proportional to 320,601,185.96, 442,392,311.75 and 179,480,133.95

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Solution

The fourth proportional to 320,601,185.96, 442,392,311.75 and 179,480,133.95 is: 247,661,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,185.96 : 442,392,311.75 = 179,480,133.95 : x
  2. Step 2: Convert to fraction form
    320,601,185.96/442,392,311.75 = 179,480,133.95/x
  3. Step 3: Cross multiply
    320,601,185.96x = 442,392,311.75 × 179,480,133.95
  4. Step 4: Simplify right side
    320,601,185.96x = 79,400,631,368,230,800
  5. Step 5: Solve for x
    x = 79,400,631,368,230,800/320,601,185.96
  6. Step 6: Final answer
    x = 247,661,689.50

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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.