Home / 128,295,754.38-192,500,843.40-59,171,387.40

Finding the Fourth Proportional to 128,295,754.38, 192,500,843.40 and 59,171,387.40

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Solution

The fourth proportional to 128,295,754.38, 192,500,843.40 and 59,171,387.40 is: 88,783,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,295,754.38 : 192,500,843.40 = 59,171,387.40 : x
  2. Step 2: Convert to fraction form
    128,295,754.38/192,500,843.40 = 59,171,387.40/x
  3. Step 3: Cross multiply
    128,295,754.38x = 192,500,843.40 × 59,171,387.40
  4. Step 4: Simplify right side
    128,295,754.38x = 11,390,541,979,648,134
  5. Step 5: Solve for x
    x = 11,390,541,979,648,134/128,295,754.38
  6. Step 6: Final answer
    x = 88,783,467.81

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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.