Home / 155,975,129.55-233,591,342.54-90,257,731.04

Finding the Fourth Proportional to 155,975,129.55, 233,591,342.54 and 90,257,731.04

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Solution

The fourth proportional to 155,975,129.55, 233,591,342.54 and 90,257,731.04 is: 135,171,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,975,129.55 : 233,591,342.54 = 90,257,731.04 : x
  2. Step 2: Convert to fraction form
    155,975,129.55/233,591,342.54 = 90,257,731.04/x
  3. Step 3: Cross multiply
    155,975,129.55x = 233,591,342.54 × 90,257,731.04
  4. Step 4: Simplify right side
    155,975,129.55x = 21,083,424,568,380,520
  5. Step 5: Solve for x
    x = 21,083,424,568,380,520/155,975,129.55
  6. Step 6: Final answer
    x = 135,171,707.37

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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.