Finding the Fourth Proportional to 170,361,531.57, 235,292,841.39 and 114,509,986.48
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Solution
The fourth proportional to 170,361,531.57, 235,292,841.39 and 114,509,986.48 is: 158,154,131.62
Step by Step Solution
- Step 1: Write the proportion equation
170,361,531.57 : 235,292,841.39 = 114,509,986.48 : x - Step 2: Convert to fraction form
170,361,531.57/235,292,841.39 = 114,509,986.48/x - Step 3: Cross multiply
170,361,531.57x = 235,292,841.39 × 114,509,986.48 - Step 4: Simplify right side
170,361,531.57x = 26,943,380,086,409,684 - Step 5: Solve for x
x = 26,943,380,086,409,684/170,361,531.57 - Step 6: Final answer
x = 158,154,131.62
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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.