Finding the Fourth Proportional to 79,394,998.05, 111,266,371.35 and 79,394,998.05
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Solution
The fourth proportional to 79,394,998.05, 111,266,371.35 and 79,394,998.05 is: 111,266,371.35
Step by Step Solution
- Step 1: Write the proportion equation
79,394,998.05 : 111,266,371.35 = 79,394,998.05 : x - Step 2: Convert to fraction form
79,394,998.05/111,266,371.35 = 79,394,998.05/x - Step 3: Cross multiply
79,394,998.05x = 111,266,371.35 × 79,394,998.05 - Step 4: Simplify right side
79,394,998.05x = 8,833,993,336,363,825 - Step 5: Solve for x
x = 8,833,993,336,363,825/79,394,998.05 - Step 6: Final answer
x = 111,266,371.35
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.