Finding the Fourth Proportional to 61,242,826.70, 91,864,240.05 and 57,463,690.70
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Solution
The fourth proportional to 61,242,826.70, 91,864,240.05 and 57,463,690.70 is: 86,195,536.05
Step by Step Solution
- Step 1: Write the proportion equation
61,242,826.70 : 91,864,240.05 = 57,463,690.70 : x - Step 2: Convert to fraction form
61,242,826.70/91,864,240.05 = 57,463,690.70/x - Step 3: Cross multiply
61,242,826.70x = 91,864,240.05 × 57,463,690.70 - Step 4: Simplify right side
61,242,826.70x = 5,278,858,276,623,753 - Step 5: Solve for x
x = 5,278,858,276,623,753/61,242,826.70 - Step 6: Final answer
x = 86,195,536.05
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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.