Finding the Fourth Proportional to 212,338,612.08, 293,008,594.86 and 118,245,648.96
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Solution
The fourth proportional to 212,338,612.08, 293,008,594.86 and 118,245,648.96 is: 163,168,587.71
Step by Step Solution
- Step 1: Write the proportion equation
212,338,612.08 : 293,008,594.86 = 118,245,648.96 : x - Step 2: Convert to fraction form
212,338,612.08/293,008,594.86 = 118,245,648.96/x - Step 3: Cross multiply
212,338,612.08x = 293,008,594.86 × 118,245,648.96 - Step 4: Simplify right side
212,338,612.08x = 34,646,991,450,078,420 - Step 5: Solve for x
x = 34,646,991,450,078,420/212,338,612.08 - Step 6: Final answer
x = 163,168,587.71
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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.