Home / 115,684,983.88-159,648,215.83-63,474,005.70

Finding the Fourth Proportional to 115,684,983.88, 159,648,215.83 and 63,474,005.70

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Solution

The fourth proportional to 115,684,983.88, 159,648,215.83 and 63,474,005.70 is: 87,595,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,684,983.88 : 159,648,215.83 = 63,474,005.70 : x
  2. Step 2: Convert to fraction form
    115,684,983.88/159,648,215.83 = 63,474,005.70/x
  3. Step 3: Cross multiply
    115,684,983.88x = 159,648,215.83 × 63,474,005.70
  4. Step 4: Simplify right side
    115,684,983.88x = 10,133,511,761,429,564
  5. Step 5: Solve for x
    x = 10,133,511,761,429,564/115,684,983.88
  6. Step 6: Final answer
    x = 87,595,739.93

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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.