Home / 370,481,163.96-511,181,629.74-213,815,085.24

Finding the Fourth Proportional to 370,481,163.96, 511,181,629.74 and 213,815,085.24

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Solution

The fourth proportional to 370,481,163.96, 511,181,629.74 and 213,815,085.24 is: 295,017,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,481,163.96 : 511,181,629.74 = 213,815,085.24 : x
  2. Step 2: Convert to fraction form
    370,481,163.96/511,181,629.74 = 213,815,085.24/x
  3. Step 3: Cross multiply
    370,481,163.96x = 511,181,629.74 × 213,815,085.24
  4. Step 4: Simplify right side
    370,481,163.96x = 109,298,343,735,980,224
  5. Step 5: Solve for x
    x = 109,298,343,735,980,224/370,481,163.96
  6. Step 6: Final answer
    x = 295,017,275.83

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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.