Home / 216,505,785.90-298,488,939.93-171,999,431.94

Finding the Fourth Proportional to 216,505,785.90, 298,488,939.93 and 171,999,431.94

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Solution

The fourth proportional to 216,505,785.90, 298,488,939.93 and 171,999,431.94 is: 237,129,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,505,785.90 : 298,488,939.93 = 171,999,431.94 : x
  2. Step 2: Convert to fraction form
    216,505,785.90/298,488,939.93 = 171,999,431.94/x
  3. Step 3: Cross multiply
    216,505,785.90x = 298,488,939.93 × 171,999,431.94
  4. Step 4: Simplify right side
    216,505,785.90x = 51,339,928,108,332,784
  5. Step 5: Solve for x
    x = 51,339,928,108,332,784/216,505,785.90
  6. Step 6: Final answer
    x = 237,129,589.38

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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.