Home / 258,100,923.87-387,151,019.46-119,850,932.64

Finding the Fourth Proportional to 258,100,923.87, 387,151,019.46 and 119,850,932.64

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Solution

The fourth proportional to 258,100,923.87, 387,151,019.46 and 119,850,932.64 is: 179,776,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,100,923.87 : 387,151,019.46 = 119,850,932.64 : x
  2. Step 2: Convert to fraction form
    258,100,923.87/387,151,019.46 = 119,850,932.64/x
  3. Step 3: Cross multiply
    258,100,923.87x = 387,151,019.46 × 119,850,932.64
  4. Step 4: Simplify right side
    258,100,923.87x = 46,400,410,754,807,784
  5. Step 5: Solve for x
    x = 46,400,410,754,807,784/258,100,923.87
  6. Step 6: Final answer
    x = 179,776,228.85

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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.