Finding the Fourth Proportional to 149,322,324.96, 205,947,990.72 and 97,128,027.72
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Solution
The fourth proportional to 149,322,324.96, 205,947,990.72 and 97,128,027.72 is: 133,960,693.13
Step by Step Solution
- Step 1: Write the proportion equation
149,322,324.96 : 205,947,990.72 = 97,128,027.72 : x - Step 2: Convert to fraction form
149,322,324.96/205,947,990.72 = 97,128,027.72/x - Step 3: Cross multiply
149,322,324.96x = 205,947,990.72 × 97,128,027.72 - Step 4: Simplify right side
149,322,324.96x = 20,003,322,151,530,464 - Step 5: Solve for x
x = 20,003,322,151,530,464/149,322,324.96 - Step 6: Final answer
x = 133,960,693.13
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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.