Finding the Fourth Proportional to 154,790,173.44, 213,603,988.52 and 84,226,060.76
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Solution
The fourth proportional to 154,790,173.44, 213,603,988.52 and 84,226,060.76 is: 116,228,453.76
Step by Step Solution
- Step 1: Write the proportion equation
154,790,173.44 : 213,603,988.52 = 84,226,060.76 : x - Step 2: Convert to fraction form
154,790,173.44/213,603,988.52 = 84,226,060.76/x - Step 3: Cross multiply
154,790,173.44x = 213,603,988.52 × 84,226,060.76 - Step 4: Simplify right side
154,790,173.44x = 17,991,022,515,663,864 - Step 5: Solve for x
x = 17,991,022,515,663,864/154,790,173.44 - Step 6: Final answer
x = 116,228,453.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.