Home / 258,114,425.26-356,193,422.07-140,640,720.80

Finding the Fourth Proportional to 258,114,425.26, 356,193,422.07 and 140,640,720.80

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Solution

The fourth proportional to 258,114,425.26, 356,193,422.07 and 140,640,720.80 is: 194,081,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,114,425.26 : 356,193,422.07 = 140,640,720.80 : x
  2. Step 2: Convert to fraction form
    258,114,425.26/356,193,422.07 = 140,640,720.80/x
  3. Step 3: Cross multiply
    258,114,425.26x = 356,193,422.07 × 140,640,720.80
  4. Step 4: Simplify right side
    258,114,425.26x = 50,095,299,624,143,432
  5. Step 5: Solve for x
    x = 50,095,299,624,143,432/258,114,425.26
  6. Step 6: Final answer
    x = 194,081,751.04

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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.