Home / 72,536,223.09-100,099,561.49-39,496,393.12

Finding the Fourth Proportional to 72,536,223.09, 100,099,561.49 and 39,496,393.12

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Solution

The fourth proportional to 72,536,223.09, 100,099,561.49 and 39,496,393.12 is: 54,504,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,536,223.09 : 100,099,561.49 = 39,496,393.12 : x
  2. Step 2: Convert to fraction form
    72,536,223.09/100,099,561.49 = 39,496,393.12/x
  3. Step 3: Cross multiply
    72,536,223.09x = 100,099,561.49 × 39,496,393.12
  4. Step 4: Simplify right side
    72,536,223.09x = 3,953,571,631,521,815.50
  5. Step 5: Solve for x
    x = 3,953,571,631,521,815.50/72,536,223.09
  6. Step 6: Final answer
    x = 54,504,790.34

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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.