Finding the Fourth Proportional to 74,192,754.09, 102,385,672.66 and 42,402,393.31
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Solution
The fourth proportional to 74,192,754.09, 102,385,672.66 and 42,402,393.31 is: 58,515,115.31
Step by Step Solution
- Step 1: Write the proportion equation
74,192,754.09 : 102,385,672.66 = 42,402,393.31 : x - Step 2: Convert to fraction form
74,192,754.09/102,385,672.66 = 42,402,393.31/x - Step 3: Cross multiply
74,192,754.09x = 102,385,672.66 × 42,402,393.31 - Step 4: Simplify right side
74,192,754.09x = 4,341,397,560,926,305.50 - Step 5: Solve for x
x = 4,341,397,560,926,305.50/74,192,754.09 - Step 6: Final answer
x = 58,515,115.31
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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.