Finding the Fourth Proportional to 310,711,691.07, 466,128,933.82 and 113,976,930.98
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Solution
The fourth proportional to 310,711,691.07, 466,128,933.82 and 113,976,930.98 is: 170,987,918.53
Step by Step Solution
- Step 1: Write the proportion equation
310,711,691.07 : 466,128,933.82 = 113,976,930.98 : x - Step 2: Convert to fraction form
310,711,691.07/466,128,933.82 = 113,976,930.98/x - Step 3: Cross multiply
310,711,691.07x = 466,128,933.82 × 113,976,930.98 - Step 4: Simplify right side
310,711,691.07x = 53,127,945,318,661,232 - Step 5: Solve for x
x = 53,127,945,318,661,232/310,711,691.07 - Step 6: Final answer
x = 170,987,918.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.