Home / 82,030,260.48-123,052,371.84-21,445,889.28

Finding the Fourth Proportional to 82,030,260.48, 123,052,371.84 and 21,445,889.28

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Solution

The fourth proportional to 82,030,260.48, 123,052,371.84 and 21,445,889.28 is: 32,170,659.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,030,260.48 : 123,052,371.84 = 21,445,889.28 : x
  2. Step 2: Convert to fraction form
    82,030,260.48/123,052,371.84 = 21,445,889.28/x
  3. Step 3: Cross multiply
    82,030,260.48x = 123,052,371.84 × 21,445,889.28
  4. Step 4: Simplify right side
    82,030,260.48x = 2,638,967,542,122,030
  5. Step 5: Solve for x
    x = 2,638,967,542,122,030/82,030,260.48
  6. Step 6: Final answer
    x = 32,170,659.06

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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.