Home / 215,693,173.20-323,507,868.48-79,346,670.24

Finding the Fourth Proportional to 215,693,173.20, 323,507,868.48 and 79,346,670.24

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Solution

The fourth proportional to 215,693,173.20, 323,507,868.48 and 79,346,670.24 is: 119,008,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,693,173.20 : 323,507,868.48 = 79,346,670.24 : x
  2. Step 2: Convert to fraction form
    215,693,173.20/323,507,868.48 = 79,346,670.24/x
  3. Step 3: Cross multiply
    215,693,173.20x = 323,507,868.48 × 79,346,670.24
  4. Step 4: Simplify right side
    215,693,173.20x = 25,669,272,160,327,848
  5. Step 5: Solve for x
    x = 25,669,272,160,327,848/215,693,173.20
  6. Step 6: Final answer
    x = 119,008,273.56

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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.