Finding the Fourth Proportional to 85,653,664.82, 118,202,207.42 and 46,495,468.10
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Solution
The fourth proportional to 85,653,664.82, 118,202,207.42 and 46,495,468.10 is: 64,163,827.39
Step by Step Solution
- Step 1: Write the proportion equation
85,653,664.82 : 118,202,207.42 = 46,495,468.10 : x - Step 2: Convert to fraction form
85,653,664.82/118,202,207.42 = 46,495,468.10/x - Step 3: Cross multiply
85,653,664.82x = 118,202,207.42 × 46,495,468.10 - Step 4: Simplify right side
85,653,664.82x = 5,495,866,964,446,194 - Step 5: Solve for x
x = 5,495,866,964,446,194/85,653,664.82 - Step 6: Final answer
x = 64,163,827.39
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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.