Finding the Fourth Proportional to 84,012,379.70, 126,017,313.24 and 51,232,578.80
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Solution
The fourth proportional to 84,012,379.70, 126,017,313.24 and 51,232,578.80 is: 76,848,102.07
Step by Step Solution
- Step 1: Write the proportion equation
84,012,379.70 : 126,017,313.24 = 51,232,578.80 : x - Step 2: Convert to fraction form
84,012,379.70/126,017,313.24 = 51,232,578.80/x - Step 3: Cross multiply
84,012,379.70x = 126,017,313.24 × 51,232,578.80 - Step 4: Simplify right side
84,012,379.70x = 6,456,191,930,732,583 - Step 5: Solve for x
x = 6,456,191,930,732,583/84,012,379.70 - Step 6: Final answer
x = 76,848,102.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.