Home / 72,021,744.38-108,032,893.59-17,434,240.58

Finding the Fourth Proportional to 72,021,744.38, 108,032,893.59 and 17,434,240.58

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Solution

The fourth proportional to 72,021,744.38, 108,032,893.59 and 17,434,240.58 is: 26,151,427.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021,744.38 : 108,032,893.59 = 17,434,240.58 : x
  2. Step 2: Convert to fraction form
    72,021,744.38/108,032,893.59 = 17,434,240.58/x
  3. Step 3: Cross multiply
    72,021,744.38x = 108,032,893.59 × 17,434,240.58
  4. Step 4: Simplify right side
    72,021,744.38x = 1,883,471,456,861,435.50
  5. Step 5: Solve for x
    x = 1,883,471,456,861,435.50/72,021,744.38
  6. Step 6: Final answer
    x = 26,151,427.92

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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.