Home / 255,542,298.11-352,939,263.12-171,764,980.47

Finding the Fourth Proportional to 255,542,298.11, 352,939,263.12 and 171,764,980.47

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Solution

The fourth proportional to 255,542,298.11, 352,939,263.12 and 171,764,980.47 is: 237,231,198.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,542,298.11 : 352,939,263.12 = 171,764,980.47 : x
  2. Step 2: Convert to fraction form
    255,542,298.11/352,939,263.12 = 171,764,980.47/x
  3. Step 3: Cross multiply
    255,542,298.11x = 352,939,263.12 × 171,764,980.47
  4. Step 4: Simplify right side
    255,542,298.11x = 60,622,605,636,902,992
  5. Step 5: Solve for x
    x = 60,622,605,636,902,992/255,542,298.11
  6. Step 6: Final answer
    x = 237,231,198.46

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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.