Home / 40,027,203-55,237,736.97-21,692,488.50

Finding the Fourth Proportional to 40,027,203, 55,237,736.97 and 21,692,488.50

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Solution

The fourth proportional to 40,027,203, 55,237,736.97 and 21,692,488.50 is: 29,935,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,027,203 : 55,237,736.97 = 21,692,488.50 : x
  2. Step 2: Convert to fraction form
    40,027,203/55,237,736.97 = 21,692,488.50/x
  3. Step 3: Cross multiply
    40,027,203x = 55,237,736.97 × 21,692,488.50
  4. Step 4: Simplify right side
    40,027,203x = 1,198,243,973,987,749.75
  5. Step 5: Solve for x
    x = 1,198,243,973,987,749.75/40,027,203
  6. Step 6: Final answer
    x = 29,935,740.80

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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.