Finding the Fourth Proportional to 68,553,545.93, 94,603,883.10 and 39,185,509.07
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Solution
The fourth proportional to 68,553,545.93, 94,603,883.10 and 39,185,509.07 is: 54,075,996.64
Step by Step Solution
- Step 1: Write the proportion equation
68,553,545.93 : 94,603,883.10 = 39,185,509.07 : x - Step 2: Convert to fraction form
68,553,545.93/94,603,883.10 = 39,185,509.07/x - Step 3: Cross multiply
68,553,545.93x = 94,603,883.10 × 39,185,509.07 - Step 4: Simplify right side
68,553,545.93x = 3,707,101,318,799,250 - Step 5: Solve for x
x = 3,707,101,318,799,250/68,553,545.93 - Step 6: Final answer
x = 54,075,996.64
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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.