Home / 82,779,395-124,188,324.58-28,192,454.60

Finding the Fourth Proportional to 82,779,395, 124,188,324.58 and 28,192,454.60

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Solution

The fourth proportional to 82,779,395, 124,188,324.58 and 28,192,454.60 is: 42,295,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,779,395 : 124,188,324.58 = 28,192,454.60 : x
  2. Step 2: Convert to fraction form
    82,779,395/124,188,324.58 = 28,192,454.60/x
  3. Step 3: Cross multiply
    82,779,395x = 124,188,324.58 × 28,192,454.60
  4. Step 4: Simplify right side
    82,779,395x = 3,501,173,702,571,714
  5. Step 5: Solve for x
    x = 3,501,173,702,571,714/82,779,395
  6. Step 6: Final answer
    x = 42,295,231.83

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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.