Home / 379,505,087.51-569,270,232.16-130,507,902.05

Finding the Fourth Proportional to 379,505,087.51, 569,270,232.16 and 130,507,902.05

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Solution

The fourth proportional to 379,505,087.51, 569,270,232.16 and 130,507,902.05 is: 195,766,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,087.51 : 569,270,232.16 = 130,507,902.05 : x
  2. Step 2: Convert to fraction form
    379,505,087.51/569,270,232.16 = 130,507,902.05/x
  3. Step 3: Cross multiply
    379,505,087.51x = 569,270,232.16 × 130,507,902.05
  4. Step 4: Simplify right side
    379,505,087.51x = 74,294,263,695,545,424
  5. Step 5: Solve for x
    x = 74,294,263,695,545,424/379,505,087.51
  6. Step 6: Final answer
    x = 195,766,186.39

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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.