Home / 82,780,506.44-124,189,972.49-28,193,564.88

Finding the Fourth Proportional to 82,780,506.44, 124,189,972.49 and 28,193,564.88

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Solution

The fourth proportional to 82,780,506.44, 124,189,972.49 and 28,193,564.88 is: 42,296,890.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,780,506.44 : 124,189,972.49 = 28,193,564.88 : x
  2. Step 2: Convert to fraction form
    82,780,506.44/124,189,972.49 = 28,193,564.88/x
  3. Step 3: Cross multiply
    82,780,506.44x = 124,189,972.49 × 28,193,564.88
  4. Step 4: Simplify right side
    82,780,506.44x = 3,501,358,046,701,262
  5. Step 5: Solve for x
    x = 3,501,358,046,701,262/82,780,506.44
  6. Step 6: Final answer
    x = 42,296,890.87

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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.