Home / 115,967,974.88-160,035,907.92-63,757,898.72

Finding the Fourth Proportional to 115,967,974.88, 160,035,907.92 and 63,757,898.72

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Solution

The fourth proportional to 115,967,974.88, 160,035,907.92 and 63,757,898.72 is: 87,985,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,967,974.88 : 160,035,907.92 = 63,757,898.72 : x
  2. Step 2: Convert to fraction form
    115,967,974.88/160,035,907.92 = 63,757,898.72/x
  3. Step 3: Cross multiply
    115,967,974.88x = 160,035,907.92 × 63,757,898.72
  4. Step 4: Simplify right side
    115,967,974.88x = 10,203,553,208,726,604
  5. Step 5: Solve for x
    x = 10,203,553,208,726,604/115,967,974.88
  6. Step 6: Final answer
    x = 87,985,956.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.