Home / 159,481,463.72-239,229,799.44-77,502,675.92

Finding the Fourth Proportional to 159,481,463.72, 239,229,799.44 and 77,502,675.92

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Solution

The fourth proportional to 159,481,463.72, 239,229,799.44 and 77,502,675.92 is: 116,257,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,481,463.72 : 239,229,799.44 = 77,502,675.92 : x
  2. Step 2: Convert to fraction form
    159,481,463.72/239,229,799.44 = 77,502,675.92/x
  3. Step 3: Cross multiply
    159,481,463.72x = 239,229,799.44 × 77,502,675.92
  4. Step 4: Simplify right side
    159,481,463.72x = 18,540,949,616,404,916
  5. Step 5: Solve for x
    x = 18,540,949,616,404,916/159,481,463.72
  6. Step 6: Final answer
    x = 116,257,709.10

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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.