Home / 379,505,090.75-569,270,237.04-130,507,905.29

Finding the Fourth Proportional to 379,505,090.75, 569,270,237.04 and 130,507,905.29

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Solution

The fourth proportional to 379,505,090.75, 569,270,237.04 and 130,507,905.29 is: 195,766,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,090.75 : 569,270,237.04 = 130,507,905.29 : x
  2. Step 2: Convert to fraction form
    379,505,090.75/569,270,237.04 = 130,507,905.29/x
  3. Step 3: Cross multiply
    379,505,090.75x = 569,270,237.04 × 130,507,905.29
  4. Step 4: Simplify right side
    379,505,090.75x = 74,294,266,179,379,632
  5. Step 5: Solve for x
    x = 74,294,266,179,379,632/379,505,090.75
  6. Step 6: Final answer
    x = 195,766,191.26

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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.