Finding the Fourth Proportional to 132,861,440.60, 183,348,902.16 and 74,124,114.84
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Solution
The fourth proportional to 132,861,440.60, 183,348,902.16 and 74,124,114.84 is: 102,291,342.15
Step by Step Solution
- Step 1: Write the proportion equation
132,861,440.60 : 183,348,902.16 = 74,124,114.84 : x - Step 2: Convert to fraction form
132,861,440.60/183,348,902.16 = 74,124,114.84/x - Step 3: Cross multiply
132,861,440.60x = 183,348,902.16 × 74,124,114.84 - Step 4: Simplify right side
132,861,440.60x = 13,590,575,079,495,764 - Step 5: Solve for x
x = 13,590,575,079,495,764/132,861,440.60 - Step 6: Final answer
x = 102,291,342.15
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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.