Home / 235,123,755.42-324,431,562.12-130,687,627.32

Finding the Fourth Proportional to 235,123,755.42, 324,431,562.12 and 130,687,627.32

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Solution

The fourth proportional to 235,123,755.42, 324,431,562.12 and 130,687,627.32 is: 180,327,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,123,755.42 : 324,431,562.12 = 130,687,627.32 : x
  2. Step 2: Convert to fraction form
    235,123,755.42/324,431,562.12 = 130,687,627.32/x
  3. Step 3: Cross multiply
    235,123,755.42x = 324,431,562.12 × 130,687,627.32
  4. Step 4: Simplify right side
    235,123,755.42x = 42,399,191,081,183,984
  5. Step 5: Solve for x
    x = 42,399,191,081,183,984/235,123,755.42
  6. Step 6: Final answer
    x = 180,327,126.05

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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.