Home / 155,975,072.18-233,591,256.57-90,257,673.57

Finding the Fourth Proportional to 155,975,072.18, 233,591,256.57 and 90,257,673.57

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Solution

The fourth proportional to 155,975,072.18, 233,591,256.57 and 90,257,673.57 is: 135,171,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,975,072.18 : 233,591,256.57 = 90,257,673.57 : x
  2. Step 2: Convert to fraction form
    155,975,072.18/233,591,256.57 = 90,257,673.57/x
  3. Step 3: Cross multiply
    155,975,072.18x = 233,591,256.57 × 90,257,673.57
  4. Step 4: Simplify right side
    155,975,072.18x = 21,083,403,383,763,676
  5. Step 5: Solve for x
    x = 21,083,403,383,763,676/155,975,072.18
  6. Step 6: Final answer
    x = 135,171,621.27

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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.