Home / 40,177,056.96-55,444,969.44-21,842,412.48

Finding the Fourth Proportional to 40,177,056.96, 55,444,969.44 and 21,842,412.48

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Solution

The fourth proportional to 40,177,056.96, 55,444,969.44 and 21,842,412.48 is: 30,142,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,177,056.96 : 55,444,969.44 = 21,842,412.48 : x
  2. Step 2: Convert to fraction form
    40,177,056.96/55,444,969.44 = 21,842,412.48/x
  3. Step 3: Cross multiply
    40,177,056.96x = 55,444,969.44 × 21,842,412.48
  4. Step 4: Simplify right side
    40,177,056.96x = 1,211,051,892,449,474.50
  5. Step 5: Solve for x
    x = 1,211,051,892,449,474.50/40,177,056.96
  6. Step 6: Final answer
    x = 30,142,872.18

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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.