Home / 81,975,506.09-122,678,052.46-50,836,606.43

Finding the Fourth Proportional to 81,975,506.09, 122,678,052.46 and 50,836,606.43

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Solution

The fourth proportional to 81,975,506.09, 122,678,052.46 and 50,836,606.43 is: 76,078,040.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,975,506.09 : 122,678,052.46 = 50,836,606.43 : x
  2. Step 2: Convert to fraction form
    81,975,506.09/122,678,052.46 = 50,836,606.43/x
  3. Step 3: Cross multiply
    81,975,506.09x = 122,678,052.46 × 50,836,606.43
  4. Step 4: Simplify right side
    81,975,506.09x = 6,236,535,869,767,431
  5. Step 5: Solve for x
    x = 6,236,535,869,767,431/81,975,506.09
  6. Step 6: Final answer
    x = 76,078,040.47

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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.