Finding the Fourth Proportional to 193,931,766.63, 290,727,326.34 and 79,012,964.79
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Solution
The fourth proportional to 193,931,766.63, 290,727,326.34 and 79,012,964.79 is: 118,450,052.81
Step by Step Solution
- Step 1: Write the proportion equation
193,931,766.63 : 290,727,326.34 = 79,012,964.79 : x - Step 2: Convert to fraction form
193,931,766.63/290,727,326.34 = 79,012,964.79/x - Step 3: Cross multiply
193,931,766.63x = 290,727,326.34 × 79,012,964.79 - Step 4: Simplify right side
193,931,766.63x = 22,971,227,999,593,260 - Step 5: Solve for x
x = 22,971,227,999,593,260/193,931,766.63 - Step 6: Final answer
x = 118,450,052.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.