Finding the Fourth Proportional to 68,553,546.93, 94,603,884.48 and 39,185,510.07
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Solution
The fourth proportional to 68,553,546.93, 94,603,884.48 and 39,185,510.07 is: 54,075,998.02
Step by Step Solution
- Step 1: Write the proportion equation
68,553,546.93 : 94,603,884.48 = 39,185,510.07 : x - Step 2: Convert to fraction form
68,553,546.93/94,603,884.48 = 39,185,510.07/x - Step 3: Cross multiply
68,553,546.93x = 94,603,884.48 × 39,185,510.07 - Step 4: Simplify right side
68,553,546.93x = 3,707,101,467,952,157 - Step 5: Solve for x
x = 3,707,101,467,952,157/68,553,546.93 - Step 6: Final answer
x = 54,075,998.02
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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.