Finding the Fourth Proportional to 208,116,751.30, 312,072,975 and 102,950,585.84
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Solution
The fourth proportional to 208,116,751.30, 312,072,975 and 102,950,585.84 is: 154,375,346.53
Step by Step Solution
- Step 1: Write the proportion equation
208,116,751.30 : 312,072,975 = 102,950,585.84 : x - Step 2: Convert to fraction form
208,116,751.30/312,072,975 = 102,950,585.84/x - Step 3: Cross multiply
208,116,751.30x = 312,072,975 × 102,950,585.84 - Step 4: Simplify right side
208,116,751.30x = 32,128,095,601,081,676 - Step 5: Solve for x
x = 32,128,095,601,081,676/208,116,751.30 - Step 6: Final answer
x = 154,375,346.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.