Finding the Fourth Proportional to 235,372,279.13, 324,816,733.42 and 129,537,880.01
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Solution
The fourth proportional to 235,372,279.13, 324,816,733.42 and 129,537,880.01 is: 178,763,918.99
Step by Step Solution
- Step 1: Write the proportion equation
235,372,279.13 : 324,816,733.42 = 129,537,880.01 : x - Step 2: Convert to fraction form
235,372,279.13/324,816,733.42 = 129,537,880.01/x - Step 3: Cross multiply
235,372,279.13x = 324,816,733.42 × 129,537,880.01 - Step 4: Simplify right side
235,372,279.13x = 42,076,071,037,052,192 - Step 5: Solve for x
x = 42,076,071,037,052,192/235,372,279.13 - Step 6: Final answer
x = 178,763,918.99
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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.