Home / 180,435,141.37-270,766,566.24-76,804,181.20

Finding the Fourth Proportional to 180,435,141.37, 270,766,566.24 and 76,804,181.20

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Solution

The fourth proportional to 180,435,141.37, 270,766,566.24 and 76,804,181.20 is: 115,254,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,435,141.37 : 270,766,566.24 = 76,804,181.20 : x
  2. Step 2: Convert to fraction form
    180,435,141.37/270,766,566.24 = 76,804,181.20/x
  3. Step 3: Cross multiply
    180,435,141.37x = 270,766,566.24 × 76,804,181.20
  4. Step 4: Simplify right side
    180,435,141.37x = 20,796,004,416,398,764
  5. Step 5: Solve for x
    x = 20,796,004,416,398,764/180,435,141.37
  6. Step 6: Final answer
    x = 115,254,735.07

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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.