Finding the Fourth Proportional to 211,767,133.12, 292,245,731.67 and 117,685,244.86
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Solution
The fourth proportional to 211,767,133.12, 292,245,731.67 and 117,685,244.86 is: 162,409,576.90
Step by Step Solution
- Step 1: Write the proportion equation
211,767,133.12 : 292,245,731.67 = 117,685,244.86 : x - Step 2: Convert to fraction form
211,767,133.12/292,245,731.67 = 117,685,244.86/x - Step 3: Cross multiply
211,767,133.12x = 292,245,731.67 × 117,685,244.86 - Step 4: Simplify right side
211,767,133.12x = 34,393,010,490,873,808 - Step 5: Solve for x
x = 34,393,010,490,873,808/211,767,133.12 - Step 6: Final answer
x = 162,409,576.90
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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.