Finding the Fourth Proportional to 112,318,980.48, 168,354,817.92 and 73,441,399.68
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Solution
The fourth proportional to 112,318,980.48, 168,354,817.92 and 73,441,399.68 is: 110,081,247.34
Step by Step Solution
- Step 1: Write the proportion equation
112,318,980.48 : 168,354,817.92 = 73,441,399.68 : x - Step 2: Convert to fraction form
112,318,980.48/168,354,817.92 = 73,441,399.68/x - Step 3: Cross multiply
112,318,980.48x = 168,354,817.92 × 73,441,399.68 - Step 4: Simplify right side
112,318,980.48x = 12,364,213,470,916,346 - Step 5: Solve for x
x = 12,364,213,470,916,346/112,318,980.48 - Step 6: Final answer
x = 110,081,247.34
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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.