Home / 115,684,997.92-159,648,235.16-63,474,019.72

Finding the Fourth Proportional to 115,684,997.92, 159,648,235.16 and 63,474,019.72

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Solution

The fourth proportional to 115,684,997.92, 159,648,235.16 and 63,474,019.72 is: 87,595,759.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,684,997.92 : 159,648,235.16 = 63,474,019.72 : x
  2. Step 2: Convert to fraction form
    115,684,997.92/159,648,235.16 = 63,474,019.72/x
  3. Step 3: Cross multiply
    115,684,997.92x = 159,648,235.16 × 63,474,019.72
  4. Step 4: Simplify right side
    115,684,997.92x = 10,133,515,226,809,036
  5. Step 5: Solve for x
    x = 10,133,515,226,809,036/115,684,997.92
  6. Step 6: Final answer
    x = 87,595,759.25

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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.