Finding the Fourth Proportional to 235,470,972.08, 324,949,942.62 and 131,073,705.74
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Solution
The fourth proportional to 235,470,972.08, 324,949,942.62 and 131,073,705.74 is: 180,881,714.56
Step by Step Solution
- Step 1: Write the proportion equation
235,470,972.08 : 324,949,942.62 = 131,073,705.74 : x - Step 2: Convert to fraction form
235,470,972.08/324,949,942.62 = 131,073,705.74/x - Step 3: Cross multiply
235,470,972.08x = 324,949,942.62 × 131,073,705.74 - Step 4: Simplify right side
235,470,972.08x = 42,592,393,159,203,760 - Step 5: Solve for x
x = 42,592,393,159,203,760/235,470,972.08 - Step 6: Final answer
x = 180,881,714.56
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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.