Finding the Fourth Proportional to 213,306,296.06, 294,362,688.87 and 115,521,152.06
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Solution
The fourth proportional to 213,306,296.06, 294,362,688.87 and 115,521,152.06 is: 159,419,190.01
Step by Step Solution
- Step 1: Write the proportion equation
213,306,296.06 : 294,362,688.87 = 115,521,152.06 : x - Step 2: Convert to fraction form
213,306,296.06/294,362,688.87 = 115,521,152.06/x - Step 3: Cross multiply
213,306,296.06x = 294,362,688.87 × 115,521,152.06 - Step 4: Simplify right side
213,306,296.06x = 34,005,116,942,477,648 - Step 5: Solve for x
x = 34,005,116,942,477,648/213,306,296.06 - Step 6: Final answer
x = 159,419,190.01
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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.