Finding the Fourth Proportional to 212,848,759.49, 293,675,700.87 and 124,695,368.55
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Solution
The fourth proportional to 212,848,759.49, 293,675,700.87 and 124,695,368.55 is: 172,047,043.37
Step by Step Solution
- Step 1: Write the proportion equation
212,848,759.49 : 293,675,700.87 = 124,695,368.55 : x - Step 2: Convert to fraction form
212,848,759.49/293,675,700.87 = 124,695,368.55/x - Step 3: Cross multiply
212,848,759.49x = 293,675,700.87 × 124,695,368.55 - Step 4: Simplify right side
212,848,759.49x = 36,619,999,754,164,208 - Step 5: Solve for x
x = 36,619,999,754,164,208/212,848,759.49 - Step 6: Final answer
x = 172,047,043.37
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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.