Finding the Fourth Proportional to 168,633,706.82, 232,696,599.56 and 93,268,058.60
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Solution
The fourth proportional to 168,633,706.82, 232,696,599.56 and 93,268,058.60 is: 128,700,011.95
Step by Step Solution
- Step 1: Write the proportion equation
168,633,706.82 : 232,696,599.56 = 93,268,058.60 : x - Step 2: Convert to fraction form
168,633,706.82/232,696,599.56 = 93,268,058.60/x - Step 3: Cross multiply
168,633,706.82x = 232,696,599.56 × 93,268,058.60 - Step 4: Simplify right side
168,633,706.82x = 21,703,160,082,152,992 - Step 5: Solve for x
x = 21,703,160,082,152,992/168,633,706.82 - Step 6: Final answer
x = 128,700,011.95
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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.