Home / 131,926,453.54-181,982,866.24-82,280,636.14

Finding the Fourth Proportional to 131,926,453.54, 181,982,866.24 and 82,280,636.14

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Solution

The fourth proportional to 131,926,453.54, 181,982,866.24 and 82,280,636.14 is: 113,500,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,453.54 : 181,982,866.24 = 82,280,636.14 : x
  2. Step 2: Convert to fraction form
    131,926,453.54/181,982,866.24 = 82,280,636.14/x
  3. Step 3: Cross multiply
    131,926,453.54x = 181,982,866.24 × 82,280,636.14
  4. Step 4: Simplify right side
    131,926,453.54x = 14,973,666,000,147,072
  5. Step 5: Solve for x
    x = 14,973,666,000,147,072/131,926,453.54
  6. Step 6: Final answer
    x = 113,500,102.51

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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.