Finding the Fourth Proportional to 248,924,524.07, 343,506,838.42 and 137,412,969.82
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Solution
The fourth proportional to 248,924,524.07, 343,506,838.42 and 137,412,969.82 is: 189,624,927.46
Step by Step Solution
- Step 1: Write the proportion equation
248,924,524.07 : 343,506,838.42 = 137,412,969.82 : x - Step 2: Convert to fraction form
248,924,524.07/343,506,838.42 = 137,412,969.82/x - Step 3: Cross multiply
248,924,524.07x = 343,506,838.42 × 137,412,969.82 - Step 4: Simplify right side
248,924,524.07x = 47,202,294,819,310,440 - Step 5: Solve for x
x = 47,202,294,819,310,440/248,924,524.07 - Step 6: Final answer
x = 189,624,927.46
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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.