Home / 233,103,640.49-321,681,050.88-128,679,469.80

Finding the Fourth Proportional to 233,103,640.49, 321,681,050.88 and 128,679,469.80

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Solution

The fourth proportional to 233,103,640.49, 321,681,050.88 and 128,679,469.80 is: 177,576,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,103,640.49 : 321,681,050.88 = 128,679,469.80 : x
  2. Step 2: Convert to fraction form
    233,103,640.49/321,681,050.88 = 128,679,469.80/x
  3. Step 3: Cross multiply
    233,103,640.49x = 321,681,050.88 × 128,679,469.80
  4. Step 4: Simplify right side
    233,103,640.49x = 41,393,747,071,945,224
  5. Step 5: Solve for x
    x = 41,393,747,071,945,224/233,103,640.49
  6. Step 6: Final answer
    x = 177,576,579.18

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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.