Home / 328,398,131.96-492,517,571.70-136,817,398.52

Finding the Fourth Proportional to 328,398,131.96, 492,517,571.70 and 136,817,398.52

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Solution

The fourth proportional to 328,398,131.96, 492,517,571.70 and 136,817,398.52 is: 205,192,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,398,131.96 : 492,517,571.70 = 136,817,398.52 : x
  2. Step 2: Convert to fraction form
    328,398,131.96/492,517,571.70 = 136,817,398.52/x
  3. Step 3: Cross multiply
    328,398,131.96x = 492,517,571.70 × 136,817,398.52
  4. Step 4: Simplify right side
    328,398,131.96x = 67,384,972,885,381,576
  5. Step 5: Solve for x
    x = 67,384,972,885,381,576/328,398,131.96
  6. Step 6: Final answer
    x = 205,192,923.85

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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.