Home / 218,405,243.12-301,199,621.83-170,726,796.47

Finding the Fourth Proportional to 218,405,243.12, 301,199,621.83 and 170,726,796.47

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Solution

The fourth proportional to 218,405,243.12, 301,199,621.83 and 170,726,796.47 is: 235,446,941.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,405,243.12 : 301,199,621.83 = 170,726,796.47 : x
  2. Step 2: Convert to fraction form
    218,405,243.12/301,199,621.83 = 170,726,796.47/x
  3. Step 3: Cross multiply
    218,405,243.12x = 301,199,621.83 × 170,726,796.47
  4. Step 4: Simplify right side
    218,405,243.12x = 51,422,846,533,337,560
  5. Step 5: Solve for x
    x = 51,422,846,533,337,560/218,405,243.12
  6. Step 6: Final answer
    x = 235,446,941.66

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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.