Home / 118,064,640.80-177,171,610.80-69,542,400.80

Finding the Fourth Proportional to 118,064,640.80, 177,171,610.80 and 69,542,400.80

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Solution

The fourth proportional to 118,064,640.80, 177,171,610.80 and 69,542,400.80 is: 104,357,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,064,640.80 : 177,171,610.80 = 69,542,400.80 : x
  2. Step 2: Convert to fraction form
    118,064,640.80/177,171,610.80 = 69,542,400.80/x
  3. Step 3: Cross multiply
    118,064,640.80x = 177,171,610.80 × 69,542,400.80
  4. Step 4: Simplify right side
    118,064,640.80x = 12,320,939,168,635,208
  5. Step 5: Solve for x
    x = 12,320,939,168,635,208/118,064,640.80
  6. Step 6: Final answer
    x = 104,357,571.29

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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.