Home / 128,304,003.70-192,456,005.55-37,427,592.70

Finding the Fourth Proportional to 128,304,003.70, 192,456,005.55 and 37,427,592.70

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Solution

The fourth proportional to 128,304,003.70, 192,456,005.55 and 37,427,592.70 is: 56,141,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,003.70 : 192,456,005.55 = 37,427,592.70 : x
  2. Step 2: Convert to fraction form
    128,304,003.70/192,456,005.55 = 37,427,592.70/x
  3. Step 3: Cross multiply
    128,304,003.70x = 192,456,005.55 × 37,427,592.70
  4. Step 4: Simplify right side
    128,304,003.70x = 7,203,164,988,394,341
  5. Step 5: Solve for x
    x = 7,203,164,988,394,341/128,304,003.70
  6. Step 6: Final answer
    x = 56,141,389.05

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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.