Finding the Fourth Proportional to 92,672,633.74, 138,190,177.37 and 91,840,845.52
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Solution
The fourth proportional to 92,672,633.74, 138,190,177.37 and 91,840,845.52 is: 136,949,843.98
Step by Step Solution
- Step 1: Write the proportion equation
92,672,633.74 : 138,190,177.37 = 91,840,845.52 : x - Step 2: Convert to fraction form
92,672,633.74/138,190,177.37 = 91,840,845.52/x - Step 3: Cross multiply
92,672,633.74x = 138,190,177.37 × 91,840,845.52 - Step 4: Simplify right side
92,672,633.74x = 12,691,502,732,219,570 - Step 5: Solve for x
x = 12,691,502,732,219,570/92,672,633.74 - Step 6: Final answer
x = 136,949,843.98
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.