Home / 171,073,262.40-256,106,008.80-161,107,540.80

Finding the Fourth Proportional to 171,073,262.40, 256,106,008.80 and 161,107,540.80

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Solution

The fourth proportional to 171,073,262.40, 256,106,008.80 and 161,107,540.80 is: 241,186,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,262.40 : 256,106,008.80 = 161,107,540.80 : x
  2. Step 2: Convert to fraction form
    171,073,262.40/256,106,008.80 = 161,107,540.80/x
  3. Step 3: Cross multiply
    171,073,262.40x = 256,106,008.80 × 161,107,540.80
  4. Step 4: Simplify right side
    171,073,262.40x = 41,260,609,261,871,168
  5. Step 5: Solve for x
    x = 41,260,609,261,871,168/171,073,262.40
  6. Step 6: Final answer
    x = 241,186,779.76

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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.