Finding the Fourth Proportional to 155,323,770.92, 214,351,359.26 and 84,763,936.96
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Solution
The fourth proportional to 155,323,770.92, 214,351,359.26 and 84,763,936.96 is: 116,976,718.99
Step by Step Solution
- Step 1: Write the proportion equation
155,323,770.92 : 214,351,359.26 = 84,763,936.96 : x - Step 2: Convert to fraction form
155,323,770.92/214,351,359.26 = 84,763,936.96/x - Step 3: Cross multiply
155,323,770.92x = 214,351,359.26 × 84,763,936.96 - Step 4: Simplify right side
155,323,770.92x = 18,169,265,103,604,952 - Step 5: Solve for x
x = 18,169,265,103,604,952/155,323,770.92 - Step 6: Final answer
x = 116,976,718.99
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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.