Home / 168,399,076.80-252,598,615.20-91,871,572.80

Finding the Fourth Proportional to 168,399,076.80, 252,598,615.20 and 91,871,572.80

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Solution

The fourth proportional to 168,399,076.80, 252,598,615.20 and 91,871,572.80 is: 137,807,359.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,399,076.80 : 252,598,615.20 = 91,871,572.80 : x
  2. Step 2: Convert to fraction form
    168,399,076.80/252,598,615.20 = 91,871,572.80/x
  3. Step 3: Cross multiply
    168,399,076.80x = 252,598,615.20 × 91,871,572.80
  4. Step 4: Simplify right side
    168,399,076.80x = 23,206,632,065,525,984
  5. Step 5: Solve for x
    x = 23,206,632,065,525,984/168,399,076.80
  6. Step 6: Final answer
    x = 137,807,359.20

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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.