Home / 43,729,128.80-65,593,693.20-19,468,008.80

Finding the Fourth Proportional to 43,729,128.80, 65,593,693.20 and 19,468,008.80

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Solution

The fourth proportional to 43,729,128.80, 65,593,693.20 and 19,468,008.80 is: 29,202,013.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,729,128.80 : 65,593,693.20 = 19,468,008.80 : x
  2. Step 2: Convert to fraction form
    43,729,128.80/65,593,693.20 = 19,468,008.80/x
  3. Step 3: Cross multiply
    43,729,128.80x = 65,593,693.20 × 19,468,008.80
  4. Step 4: Simplify right side
    43,729,128.80x = 1,276,978,596,442,100.25
  5. Step 5: Solve for x
    x = 1,276,978,596,442,100.25/43,729,128.80
  6. Step 6: Final answer
    x = 29,202,013.20

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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.