Finding the Fourth Proportional to 217,455,696.09, 300,088,909.62 and 119,670,552.09
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Solution
The fourth proportional to 217,455,696.09, 300,088,909.62 and 119,670,552.09 is: 165,145,388.86
Step by Step Solution
- Step 1: Write the proportion equation
217,455,696.09 : 300,088,909.62 = 119,670,552.09 : x - Step 2: Convert to fraction form
217,455,696.09/300,088,909.62 = 119,670,552.09/x - Step 3: Cross multiply
217,455,696.09x = 300,088,909.62 × 119,670,552.09 - Step 4: Simplify right side
217,455,696.09x = 35,911,805,490,311,512 - Step 5: Solve for x
x = 35,911,805,490,311,512/217,455,696.09 - Step 6: Final answer
x = 165,145,388.86
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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.