Finding the Fourth Proportional to 132,991,451.22, 183,526,464.38 and 74,255,116.08
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Solution
The fourth proportional to 132,991,451.22, 183,526,464.38 and 74,255,116.08 is: 102,471,089.62
Step by Step Solution
- Step 1: Write the proportion equation
132,991,451.22 : 183,526,464.38 = 74,255,116.08 : x - Step 2: Convert to fraction form
132,991,451.22/183,526,464.38 = 74,255,116.08/x - Step 3: Cross multiply
132,991,451.22x = 183,526,464.38 × 74,255,116.08 - Step 4: Simplify right side
132,991,451.22x = 13,627,778,916,288,884 - Step 5: Solve for x
x = 13,627,778,916,288,884/132,991,451.22 - Step 6: Final answer
x = 102,471,089.62
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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.