Home / 252,184,063.13-378,385,346.87-135,463,236.90

Finding the Fourth Proportional to 252,184,063.13, 378,385,346.87 and 135,463,236.90

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Solution

The fourth proportional to 252,184,063.13, 378,385,346.87 and 135,463,236.90 is: 203,253,541.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,184,063.13 : 378,385,346.87 = 135,463,236.90 : x
  2. Step 2: Convert to fraction form
    252,184,063.13/378,385,346.87 = 135,463,236.90/x
  3. Step 3: Cross multiply
    252,184,063.13x = 378,385,346.87 × 135,463,236.90
  4. Step 4: Simplify right side
    252,184,063.13x = 51,257,303,881,862,168
  5. Step 5: Solve for x
    x = 51,257,303,881,862,168/252,184,063.13
  6. Step 6: Final answer
    x = 203,253,541.27

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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.