Finding the Fourth Proportional to 191,122,844.96, 286,685,291.28 and 47,515,676.96
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Solution
The fourth proportional to 191,122,844.96, 286,685,291.28 and 47,515,676.96 is: 71,273,769.98
Step by Step Solution
- Step 1: Write the proportion equation
191,122,844.96 : 286,685,291.28 = 47,515,676.96 : x - Step 2: Convert to fraction form
191,122,844.96/286,685,291.28 = 47,515,676.96/x - Step 3: Cross multiply
191,122,844.96x = 286,685,291.28 × 47,515,676.96 - Step 4: Simplify right side
191,122,844.96x = 13,622,045,689,643,984 - Step 5: Solve for x
x = 13,622,045,689,643,984/191,122,844.96 - Step 6: Final answer
x = 71,273,769.98
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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.