Finding the Fourth Proportional to 205,769,675.25, 283,962,462.84 and 111,683,855.97
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Solution
The fourth proportional to 205,769,675.25, 283,962,462.84 and 111,683,855.97 is: 154,123,890.03
Step by Step Solution
- Step 1: Write the proportion equation
205,769,675.25 : 283,962,462.84 = 111,683,855.97 : x - Step 2: Convert to fraction form
205,769,675.25/283,962,462.84 = 111,683,855.97/x - Step 3: Cross multiply
205,769,675.25x = 283,962,462.84 × 111,683,855.97 - Step 4: Simplify right side
205,769,675.25x = 31,714,022,800,709,032 - Step 5: Solve for x
x = 31,714,022,800,709,032/205,769,675.25 - Step 6: Final answer
x = 154,123,890.03
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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.