Home / 258,768,160.80-388,040,266.80-105,363,232.80

Finding the Fourth Proportional to 258,768,160.80, 388,040,266.80 and 105,363,232.80

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Solution

The fourth proportional to 258,768,160.80, 388,040,266.80 and 105,363,232.80 is: 157,999,256.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,768,160.80 : 388,040,266.80 = 105,363,232.80 : x
  2. Step 2: Convert to fraction form
    258,768,160.80/388,040,266.80 = 105,363,232.80/x
  3. Step 3: Cross multiply
    258,768,160.80x = 388,040,266.80 × 105,363,232.80
  4. Step 4: Simplify right side
    258,768,160.80x = 40,885,176,966,622,512
  5. Step 5: Solve for x
    x = 40,885,176,966,622,512/258,768,160.80
  6. Step 6: Final answer
    x = 157,999,256.32

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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.