Home / 235,123,751.42-324,431,556.60-130,687,623.32

Finding the Fourth Proportional to 235,123,751.42, 324,431,556.60 and 130,687,623.32

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Solution

The fourth proportional to 235,123,751.42, 324,431,556.60 and 130,687,623.32 is: 180,327,120.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,123,751.42 : 324,431,556.60 = 130,687,623.32 : x
  2. Step 2: Convert to fraction form
    235,123,751.42/324,431,556.60 = 130,687,623.32/x
  3. Step 3: Cross multiply
    235,123,751.42x = 324,431,556.60 × 130,687,623.32
  4. Step 4: Simplify right side
    235,123,751.42x = 42,399,189,062,062,064
  5. Step 5: Solve for x
    x = 42,399,189,062,062,064/235,123,751.42
  6. Step 6: Final answer
    x = 180,327,120.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.