Home / 275,101,561.88-380,184,855.90-225,463,643.88

Finding the Fourth Proportional to 275,101,561.88, 380,184,855.90 and 225,463,643.88

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Solution

The fourth proportional to 275,101,561.88, 380,184,855.90 and 225,463,643.88 is: 311,586,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,101,561.88 : 380,184,855.90 = 225,463,643.88 : x
  2. Step 2: Convert to fraction form
    275,101,561.88/380,184,855.90 = 225,463,643.88/x
  3. Step 3: Cross multiply
    275,101,561.88x = 380,184,855.90 × 225,463,643.88
  4. Step 4: Simplify right side
    275,101,561.88x = 85,717,862,956,933,984
  5. Step 5: Solve for x
    x = 85,717,862,956,933,984/275,101,561.88
  6. Step 6: Final answer
    x = 311,586,246.08

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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.