Home / 263,187,239.72-394,500,923.57-99,355,395.56

Finding the Fourth Proportional to 263,187,239.72, 394,500,923.57 and 99,355,395.56

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Solution

The fourth proportional to 263,187,239.72, 394,500,923.57 and 99,355,395.56 is: 148,927,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,187,239.72 : 394,500,923.57 = 99,355,395.56 : x
  2. Step 2: Convert to fraction form
    263,187,239.72/394,500,923.57 = 99,355,395.56/x
  3. Step 3: Cross multiply
    263,187,239.72x = 394,500,923.57 × 99,355,395.56
  4. Step 4: Simplify right side
    263,187,239.72x = 39,195,795,308,358,560
  5. Step 5: Solve for x
    x = 39,195,795,308,358,560/263,187,239.72
  6. Step 6: Final answer
    x = 148,927,415.14

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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.