Finding the Fourth Proportional to 116,295,330.99, 160,488,633.08 and 64,086,235.05
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Solution
The fourth proportional to 116,295,330.99, 160,488,633.08 and 64,086,235.05 is: 88,439,597.48
Step by Step Solution
- Step 1: Write the proportion equation
116,295,330.99 : 160,488,633.08 = 64,086,235.05 : x - Step 2: Convert to fraction form
116,295,330.99/160,488,633.08 = 64,086,235.05/x - Step 3: Cross multiply
116,295,330.99x = 160,488,633.08 × 64,086,235.05 - Step 4: Simplify right side
116,295,330.99x = 10,285,112,262,097,654 - Step 5: Solve for x
x = 10,285,112,262,097,654/116,295,330.99 - Step 6: Final answer
x = 88,439,597.48
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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.