Home / 379,505,091-569,270,237.41-130,507,905.54

Finding the Fourth Proportional to 379,505,091, 569,270,237.41 and 130,507,905.54

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Solution

The fourth proportional to 379,505,091, 569,270,237.41 and 130,507,905.54 is: 195,766,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,505,091 : 569,270,237.41 = 130,507,905.54 : x
  2. Step 2: Convert to fraction form
    379,505,091/569,270,237.41 = 130,507,905.54/x
  3. Step 3: Cross multiply
    379,505,091x = 569,270,237.41 × 130,507,905.54
  4. Step 4: Simplify right side
    379,505,091x = 74,294,266,370,637,648
  5. Step 5: Solve for x
    x = 74,294,266,370,637,648/379,505,091
  6. Step 6: Final answer
    x = 195,766,191.63

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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.