Finding the Fourth Proportional to 192,389,851.11, 265,490,881.71 and 104,281,957.09
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Solution
The fourth proportional to 192,389,851.11, 265,490,881.71 and 104,281,957.09 is: 143,905,245.39
Step by Step Solution
- Step 1: Write the proportion equation
192,389,851.11 : 265,490,881.71 = 104,281,957.09 : x - Step 2: Convert to fraction form
192,389,851.11/265,490,881.71 = 104,281,957.09/x - Step 3: Cross multiply
192,389,851.11x = 265,490,881.71 × 104,281,957.09 - Step 4: Simplify right side
192,389,851.11x = 27,685,908,734,529,192 - Step 5: Solve for x
x = 27,685,908,734,529,192/192,389,851.11 - Step 6: Final answer
x = 143,905,245.39
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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.