Home / 131,926,452.79-181,982,865.20-82,280,635.39

Finding the Fourth Proportional to 131,926,452.79, 181,982,865.20 and 82,280,635.39

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Solution

The fourth proportional to 131,926,452.79, 181,982,865.20 and 82,280,635.39 is: 113,500,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,926,452.79 : 181,982,865.20 = 82,280,635.39 : x
  2. Step 2: Convert to fraction form
    131,926,452.79/181,982,865.20 = 82,280,635.39/x
  3. Step 3: Cross multiply
    131,926,452.79x = 181,982,865.20 × 82,280,635.39
  4. Step 4: Simplify right side
    131,926,452.79x = 14,973,665,778,632,132
  5. Step 5: Solve for x
    x = 14,973,665,778,632,132/131,926,452.79
  6. Step 6: Final answer
    x = 113,500,101.47

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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.