Finding the Fourth Proportional to 164,758,269, 227,366,411.76 and 91,431,211.08
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Solution
The fourth proportional to 164,758,269, 227,366,411.76 and 91,431,211.08 is: 126,175,071.59
Step by Step Solution
- Step 1: Write the proportion equation
164,758,269 : 227,366,411.76 = 91,431,211.08 : x - Step 2: Convert to fraction form
164,758,269/227,366,411.76 = 91,431,211.08/x - Step 3: Cross multiply
164,758,269x = 227,366,411.76 × 91,431,211.08 - Step 4: Simplify right side
164,758,269x = 20,788,386,386,130,752 - Step 5: Solve for x
x = 20,788,386,386,130,752/164,758,269 - Step 6: Final answer
x = 126,175,071.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.