Finding the Fourth Proportional to 132,861,440.56, 183,348,902.16 and 74,124,114.76
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Solution
The fourth proportional to 132,861,440.56, 183,348,902.16 and 74,124,114.76 is: 102,291,342.07
Step by Step Solution
- Step 1: Write the proportion equation
132,861,440.56 : 183,348,902.16 = 74,124,114.76 : x - Step 2: Convert to fraction form
132,861,440.56/183,348,902.16 = 74,124,114.76/x - Step 3: Cross multiply
132,861,440.56x = 183,348,902.16 × 74,124,114.76 - Step 4: Simplify right side
132,861,440.56x = 13,590,575,064,827,852 - Step 5: Solve for x
x = 13,590,575,064,827,852/132,861,440.56 - Step 6: Final answer
x = 102,291,342.07
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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.