Home / 29,040,051.60-43,560,077.40-19,970,125.20

Finding the Fourth Proportional to 29,040,051.60, 43,560,077.40 and 19,970,125.20

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Solution

The fourth proportional to 29,040,051.60, 43,560,077.40 and 19,970,125.20 is: 29,955,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040,051.60 : 43,560,077.40 = 19,970,125.20 : x
  2. Step 2: Convert to fraction form
    29,040,051.60/43,560,077.40 = 19,970,125.20/x
  3. Step 3: Cross multiply
    29,040,051.60x = 43,560,077.40 × 19,970,125.20
  4. Step 4: Simplify right side
    29,040,051.60x = 869,900,199,399,690.38
  5. Step 5: Solve for x
    x = 869,900,199,399,690.38/29,040,051.60
  6. Step 6: Final answer
    x = 29,955,187.80

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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.