Home / 275,055,181.62-380,120,533.29-225,417,280.02

Finding the Fourth Proportional to 275,055,181.62, 380,120,533.29 and 225,417,280.02

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Solution

The fourth proportional to 275,055,181.62, 380,120,533.29 and 225,417,280.02 is: 311,521,986.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,055,181.62 : 380,120,533.29 = 225,417,280.02 : x
  2. Step 2: Convert to fraction form
    275,055,181.62/380,120,533.29 = 225,417,280.02/x
  3. Step 3: Cross multiply
    275,055,181.62x = 380,120,533.29 × 225,417,280.02
  4. Step 4: Simplify right side
    275,055,181.62x = 85,685,736,693,983,664
  5. Step 5: Solve for x
    x = 85,685,736,693,983,664/275,055,181.62
  6. Step 6: Final answer
    x = 311,521,986.93

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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.