Finding the Fourth Proportional to 212,848,657.65, 293,675,560.20 and 124,695,266.58
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Solution
The fourth proportional to 212,848,657.65, 293,675,560.20 and 124,695,266.58 is: 172,046,902.58
Step by Step Solution
- Step 1: Write the proportion equation
212,848,657.65 : 293,675,560.20 = 124,695,266.58 : x - Step 2: Convert to fraction form
212,848,657.65/293,675,560.20 = 124,695,266.58/x - Step 3: Cross multiply
212,848,657.65x = 293,675,560.20 × 124,695,266.58 - Step 4: Simplify right side
212,848,657.65x = 36,619,952,267,169,840 - Step 5: Solve for x
x = 36,619,952,267,169,840/212,848,657.65 - Step 6: Final answer
x = 172,046,902.58
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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.