Home / 239,841,128.82-330,983,039.62-140,723,562.59

Finding the Fourth Proportional to 239,841,128.82, 330,983,039.62 and 140,723,562.59

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Solution

The fourth proportional to 239,841,128.82, 330,983,039.62 and 140,723,562.59 is: 194,199,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,841,128.82 : 330,983,039.62 = 140,723,562.59 : x
  2. Step 2: Convert to fraction form
    239,841,128.82/330,983,039.62 = 140,723,562.59/x
  3. Step 3: Cross multiply
    239,841,128.82x = 330,983,039.62 × 140,723,562.59
  4. Step 4: Simplify right side
    239,841,128.82x = 46,577,112,489,834,992
  5. Step 5: Solve for x
    x = 46,577,112,489,834,992/239,841,128.82
  6. Step 6: Final answer
    x = 194,199,855.21

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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.