Home / 82,331,611.68-113,614,988.40-45,161,364

Finding the Fourth Proportional to 82,331,611.68, 113,614,988.40 and 45,161,364

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Solution

The fourth proportional to 82,331,611.68, 113,614,988.40 and 45,161,364 is: 62,321,236.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,331,611.68 : 113,614,988.40 = 45,161,364 : x
  2. Step 2: Convert to fraction form
    82,331,611.68/113,614,988.40 = 45,161,364/x
  3. Step 3: Cross multiply
    82,331,611.68x = 113,614,988.40 × 45,161,364
  4. Step 4: Simplify right side
    82,331,611.68x = 5,131,007,846,988,178
  5. Step 5: Solve for x
    x = 5,131,007,846,988,178/82,331,611.68
  6. Step 6: Final answer
    x = 62,321,236.55

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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.