Finding the Fourth Proportional to 253,319,596.07, 349,578,370.69 and 141,811,352.69
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Solution
The fourth proportional to 253,319,596.07, 349,578,370.69 and 141,811,352.69 is: 195,698,170.95
Step by Step Solution
- Step 1: Write the proportion equation
253,319,596.07 : 349,578,370.69 = 141,811,352.69 : x - Step 2: Convert to fraction form
253,319,596.07/349,578,370.69 = 141,811,352.69/x - Step 3: Cross multiply
253,319,596.07x = 349,578,370.69 × 141,811,352.69 - Step 4: Simplify right side
253,319,596.07x = 49,574,181,616,612,728 - Step 5: Solve for x
x = 49,574,181,616,612,728/253,319,596.07 - Step 6: Final answer
x = 195,698,170.95
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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.