Finding the Fourth Proportional to 75,027,872.68, 103,536,240.55 and 41,538,844.29
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Solution
The fourth proportional to 75,027,872.68, 103,536,240.55 and 41,538,844.29 is: 57,322,373.95
Step by Step Solution
- Step 1: Write the proportion equation
75,027,872.68 : 103,536,240.55 = 41,538,844.29 : x - Step 2: Convert to fraction form
75,027,872.68/103,536,240.55 = 41,538,844.29/x - Step 3: Cross multiply
75,027,872.68x = 103,536,240.55 × 41,538,844.29 - Step 4: Simplify right side
75,027,872.68x = 4,300,775,774,578,433.50 - Step 5: Solve for x
x = 4,300,775,774,578,433.50/75,027,872.68 - Step 6: Final answer
x = 57,322,373.95
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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.