Finding the Fourth Proportional to 173,830,521.80, 260,745,782.70 and 52,661,973.80
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Solution
The fourth proportional to 173,830,521.80, 260,745,782.70 and 52,661,973.80 is: 78,992,960.70
Step by Step Solution
- Step 1: Write the proportion equation
173,830,521.80 : 260,745,782.70 = 52,661,973.80 : x - Step 2: Convert to fraction form
173,830,521.80/260,745,782.70 = 52,661,973.80/x - Step 3: Cross multiply
173,830,521.80x = 260,745,782.70 × 52,661,973.80 - Step 4: Simplify right side
173,830,521.80x = 13,731,387,577,007,892 - Step 5: Solve for x
x = 13,731,387,577,007,892/173,830,521.80 - Step 6: Final answer
x = 78,992,960.70
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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.