Home / 128,304,004.70-192,456,007.06-94,291,780.70

Finding the Fourth Proportional to 128,304,004.70, 192,456,007.06 and 94,291,780.70

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Solution

The fourth proportional to 128,304,004.70, 192,456,007.06 and 94,291,780.70 is: 141,437,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,004.70 : 192,456,007.06 = 94,291,780.70 : x
  2. Step 2: Convert to fraction form
    128,304,004.70/192,456,007.06 = 94,291,780.70/x
  3. Step 3: Cross multiply
    128,304,004.70x = 192,456,007.06 × 94,291,780.70
  4. Step 4: Simplify right side
    128,304,004.70x = 18,147,019,612,099,172
  5. Step 5: Solve for x
    x = 18,147,019,612,099,172/128,304,004.70
  6. Step 6: Final answer
    x = 141,437,671.06

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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.