Finding the Fourth Proportional to 68,553,543.30, 94,603,879.49 and 39,185,506.44
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Solution
The fourth proportional to 68,553,543.30, 94,603,879.49 and 39,185,506.44 is: 54,075,993.02
Step by Step Solution
- Step 1: Write the proportion equation
68,553,543.30 : 94,603,879.49 = 39,185,506.44 : x - Step 2: Convert to fraction form
68,553,543.30/94,603,879.49 = 39,185,506.44/x - Step 3: Cross multiply
68,553,543.30x = 94,603,879.49 × 39,185,506.44 - Step 4: Simplify right side
68,553,543.30x = 3,707,100,928,808,451 - Step 5: Solve for x
x = 3,707,100,928,808,451/68,553,543.30 - Step 6: Final answer
x = 54,075,993.02
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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.