Finding the Fourth Proportional to 71,737,426.62, 98,994,796.11 and 42,378,187.14
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Solution
The fourth proportional to 71,737,426.62, 98,994,796.11 and 42,378,187.14 is: 58,480,213.09
Step by Step Solution
- Step 1: Write the proportion equation
71,737,426.62 : 98,994,796.11 = 42,378,187.14 : x - Step 2: Convert to fraction form
71,737,426.62/98,994,796.11 = 42,378,187.14/x - Step 3: Cross multiply
71,737,426.62x = 98,994,796.11 × 42,378,187.14 - Step 4: Simplify right side
71,737,426.62x = 4,195,219,995,435,724 - Step 5: Solve for x
x = 4,195,219,995,435,724/71,737,426.62 - Step 6: Final answer
x = 58,480,213.09
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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.