Finding the Fourth Proportional to 211,169,868.62, 316,346,229.41 and 118,772,871.75
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Solution
The fourth proportional to 211,169,868.62, 316,346,229.41 and 118,772,871.75 is: 177,929,504.72
Step by Step Solution
- Step 1: Write the proportion equation
211,169,868.62 : 316,346,229.41 = 118,772,871.75 : x - Step 2: Convert to fraction form
211,169,868.62/316,346,229.41 = 118,772,871.75/x - Step 3: Cross multiply
211,169,868.62x = 316,346,229.41 × 118,772,871.75 - Step 4: Simplify right side
211,169,868.62x = 37,573,350,133,716,144 - Step 5: Solve for x
x = 37,573,350,133,716,144/211,169,868.62 - Step 6: Final answer
x = 177,929,504.72
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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.