Finding the Fourth Proportional to 212,631,405.09, 293,431,536.75 and 114,846,261.09
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Solution
The fourth proportional to 212,631,405.09, 293,431,536.75 and 114,846,261.09 is: 158,487,947.10
Step by Step Solution
- Step 1: Write the proportion equation
212,631,405.09 : 293,431,536.75 = 114,846,261.09 : x - Step 2: Convert to fraction form
212,631,405.09/293,431,536.75 = 114,846,261.09/x - Step 3: Cross multiply
212,631,405.09x = 293,431,536.75 × 114,846,261.09 - Step 4: Simplify right side
212,631,405.09x = 33,699,514,881,630,432 - Step 5: Solve for x
x = 33,699,514,881,630,432/212,631,405.09 - Step 6: Final answer
x = 158,487,947.10
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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.