Finding the Fourth Proportional to 118,490,837.34, 163,451,529.27 and 68,925,631.26
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Solution
The fourth proportional to 118,490,837.34, 163,451,529.27 and 68,925,631.26 is: 95,079,080.28
Step by Step Solution
- Step 1: Write the proportion equation
118,490,837.34 : 163,451,529.27 = 68,925,631.26 : x - Step 2: Convert to fraction form
118,490,837.34/163,451,529.27 = 68,925,631.26/x - Step 3: Cross multiply
118,490,837.34x = 163,451,529.27 × 68,925,631.26 - Step 4: Simplify right side
118,490,837.34x = 11,265,999,835,347,118 - Step 5: Solve for x
x = 11,265,999,835,347,118/118,490,837.34 - Step 6: Final answer
x = 95,079,080.28
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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.