Finding the Fourth Proportional to 75,716,235.81, 104,574,595.56 and 50,893,326.88
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Solution
The fourth proportional to 75,716,235.81, 104,574,595.56 and 50,893,326.88 is: 70,290,724.55
Step by Step Solution
- Step 1: Write the proportion equation
75,716,235.81 : 104,574,595.56 = 50,893,326.88 : x - Step 2: Convert to fraction form
75,716,235.81/104,574,595.56 = 50,893,326.88/x - Step 3: Cross multiply
75,716,235.81x = 104,574,595.56 × 50,893,326.88 - Step 4: Simplify right side
75,716,235.81x = 5,322,149,075,178,877 - Step 5: Solve for x
x = 5,322,149,075,178,877/75,716,235.81 - Step 6: Final answer
x = 70,290,724.55
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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.