Home / 40,089,305.66-55,323,241.80-21,754,591.16

Finding the Fourth Proportional to 40,089,305.66, 55,323,241.80 and 21,754,591.16

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Solution

The fourth proportional to 40,089,305.66, 55,323,241.80 and 21,754,591.16 is: 30,021,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089,305.66 : 55,323,241.80 = 21,754,591.16 : x
  2. Step 2: Convert to fraction form
    40,089,305.66/55,323,241.80 = 21,754,591.16/x
  3. Step 3: Cross multiply
    40,089,305.66x = 55,323,241.80 × 21,754,591.16
  4. Step 4: Simplify right side
    40,089,305.66x = 1,203,534,507,004,822.50
  5. Step 5: Solve for x
    x = 1,203,534,507,004,822.50/40,089,305.66
  6. Step 6: Final answer
    x = 30,021,335.79

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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.