Home / 252,219,884.24-378,439,048.55-135,499,054.55

Finding the Fourth Proportional to 252,219,884.24, 378,439,048.55 and 135,499,054.55

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Solution

The fourth proportional to 252,219,884.24, 378,439,048.55 and 135,499,054.55 is: 203,307,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,219,884.24 : 378,439,048.55 = 135,499,054.55 : x
  2. Step 2: Convert to fraction form
    252,219,884.24/378,439,048.55 = 135,499,054.55/x
  3. Step 3: Cross multiply
    252,219,884.24x = 378,439,048.55 × 135,499,054.55
  4. Step 4: Simplify right side
    252,219,884.24x = 51,278,133,281,773,096
  5. Step 5: Solve for x
    x = 51,278,133,281,773,096/252,219,884.24
  6. Step 6: Final answer
    x = 203,307,258.81

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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.