Finding the Fourth Proportional to 243,081,138.96, 335,451,988.20 and 133,072,851.96
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Solution
The fourth proportional to 243,081,138.96, 335,451,988.20 and 133,072,851.96 is: 183,640,544.70
Step by Step Solution
- Step 1: Write the proportion equation
243,081,138.96 : 335,451,988.20 = 133,072,851.96 : x - Step 2: Convert to fraction form
243,081,138.96/335,451,988.20 = 133,072,851.96/x - Step 3: Cross multiply
243,081,138.96x = 335,451,988.20 × 133,072,851.96 - Step 4: Simplify right side
243,081,138.96x = 44,639,552,765,426,264 - Step 5: Solve for x
x = 44,639,552,765,426,264/243,081,138.96 - Step 6: Final answer
x = 183,640,544.70
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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.