Finding the Fourth Proportional to 151,716,582.06, 209,368,876.86 and 82,101,965.28
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Solution
The fourth proportional to 151,716,582.06, 209,368,876.86 and 82,101,965.28 is: 113,300,708.63
Step by Step Solution
- Step 1: Write the proportion equation
151,716,582.06 : 209,368,876.86 = 82,101,965.28 : x - Step 2: Convert to fraction form
151,716,582.06/209,368,876.86 = 82,101,965.28/x - Step 3: Cross multiply
151,716,582.06x = 209,368,876.86 × 82,101,965.28 - Step 4: Simplify right side
151,716,582.06x = 17,189,596,258,672,316 - Step 5: Solve for x
x = 17,189,596,258,672,316/151,716,582.06 - Step 6: Final answer
x = 113,300,708.63
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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.