Home / 355,242,732.44-531,825,020.46-207,237,742.54

Finding the Fourth Proportional to 355,242,732.44, 531,825,020.46 and 207,237,742.54

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Solution

The fourth proportional to 355,242,732.44, 531,825,020.46 and 207,237,742.54 is: 310,250,447.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,242,732.44 : 531,825,020.46 = 207,237,742.54 : x
  2. Step 2: Convert to fraction form
    355,242,732.44/531,825,020.46 = 207,237,742.54/x
  3. Step 3: Cross multiply
    355,242,732.44x = 531,825,020.46 × 207,237,742.54
  4. Step 4: Simplify right side
    355,242,732.44x = 110,214,216,665,090,144
  5. Step 5: Solve for x
    x = 110,214,216,665,090,144/355,242,732.44
  6. Step 6: Final answer
    x = 310,250,447.38

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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.