Home / 128,304,002.70-192,456,004.05-119,234,076.30

Finding the Fourth Proportional to 128,304,002.70, 192,456,004.05 and 119,234,076.30

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Solution

The fourth proportional to 128,304,002.70, 192,456,004.05 and 119,234,076.30 is: 178,851,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,002.70 : 192,456,004.05 = 119,234,076.30 : x
  2. Step 2: Convert to fraction form
    128,304,002.70/192,456,004.05 = 119,234,076.30/x
  3. Step 3: Cross multiply
    128,304,002.70x = 192,456,004.05 × 119,234,076.30
  4. Step 4: Simplify right side
    128,304,002.70x = 22,947,313,871,290,808
  5. Step 5: Solve for x
    x = 22,947,313,871,290,808/128,304,002.70
  6. Step 6: Final answer
    x = 178,851,114.45

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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.