Finding the Fourth Proportional to 217,958,015.24, 327,090,227.60 and 197,119,030.31
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Solution
The fourth proportional to 217,958,015.24, 327,090,227.60 and 197,119,030.31 is: 295,817,102.28
Step by Step Solution
- Step 1: Write the proportion equation
217,958,015.24 : 327,090,227.60 = 197,119,030.31 : x - Step 2: Convert to fraction form
217,958,015.24/327,090,227.60 = 197,119,030.31/x - Step 3: Cross multiply
217,958,015.24x = 327,090,227.60 × 197,119,030.31 - Step 4: Simplify right side
217,958,015.24x = 64,475,708,485,768,160 - Step 5: Solve for x
x = 64,475,708,485,768,160/217,958,015.24 - Step 6: Final answer
x = 295,817,102.28
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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.