Home / 379,505,090.50-569,270,236.66-130,507,905.04

Finding the Fourth Proportional to 379,505,090.50, 569,270,236.66 and 130,507,905.04

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Solution

The fourth proportional to 379,505,090.50, 569,270,236.66 and 130,507,905.04 is: 195,766,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,090.50 : 569,270,236.66 = 130,507,905.04 : x
  2. Step 2: Convert to fraction form
    379,505,090.50/569,270,236.66 = 130,507,905.04/x
  3. Step 3: Cross multiply
    379,505,090.50x = 569,270,236.66 × 130,507,905.04
  4. Step 4: Simplify right side
    379,505,090.50x = 74,294,265,988,121,600
  5. Step 5: Solve for x
    x = 74,294,265,988,121,600/379,505,090.50
  6. Step 6: Final answer
    x = 195,766,190.88

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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.