Finding the Fourth Proportional to 115,756,259.55, 159,737,771.84 and 68,715,343.77
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Solution
The fourth proportional to 115,756,259.55, 159,737,771.84 and 68,715,343.77 is: 94,823,692.02
Step by Step Solution
- Step 1: Write the proportion equation
115,756,259.55 : 159,737,771.84 = 68,715,343.77 : x - Step 2: Convert to fraction form
115,756,259.55/159,737,771.84 = 68,715,343.77/x - Step 3: Cross multiply
115,756,259.55x = 159,737,771.84 × 68,715,343.77 - Step 4: Simplify right side
115,756,259.55x = 10,976,435,904,695,848 - Step 5: Solve for x
x = 10,976,435,904,695,848/115,756,259.55 - Step 6: Final answer
x = 94,823,692.02
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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.