Finding the Fourth Proportional to 122,678,045.70, 183,860,770.95 and 65,197,853.70
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Solution
The fourth proportional to 122,678,045.70, 183,860,770.95 and 65,197,853.70 is: 97,713,715.42
Step by Step Solution
- Step 1: Write the proportion equation
122,678,045.70 : 183,860,770.95 = 65,197,853.70 : x - Step 2: Convert to fraction form
122,678,045.70/183,860,770.95 = 65,197,853.70/x - Step 3: Cross multiply
122,678,045.70x = 183,860,770.95 × 65,197,853.70 - Step 4: Simplify right side
122,678,045.70x = 11,987,327,645,567,310 - Step 5: Solve for x
x = 11,987,327,645,567,310/122,678,045.70 - Step 6: Final answer
x = 97,713,715.42
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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.