Finding the Fourth Proportional to 236,134,566.90, 325,825,344.74 and 136,992,587.60
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Solution
The fourth proportional to 236,134,566.90, 325,825,344.74 and 136,992,587.60 is: 189,026,357.58
Step by Step Solution
- Step 1: Write the proportion equation
236,134,566.90 : 325,825,344.74 = 136,992,587.60 : x - Step 2: Convert to fraction form
236,134,566.90/325,825,344.74 = 136,992,587.60/x - Step 3: Cross multiply
236,134,566.90x = 325,825,344.74 × 136,992,587.60 - Step 4: Simplify right side
236,134,566.90x = 44,635,657,081,812,816 - Step 5: Solve for x
x = 44,635,657,081,812,816/236,134,566.90 - Step 6: Final answer
x = 189,026,357.58
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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.