Finding the Fourth Proportional to 90,203,603.96, 124,480,974.42 and 48,950,496.34
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Solution
The fourth proportional to 90,203,603.96, 124,480,974.42 and 48,950,496.34 is: 67,551,685.47
Step by Step Solution
- Step 1: Write the proportion equation
90,203,603.96 : 124,480,974.42 = 48,950,496.34 : x - Step 2: Convert to fraction form
90,203,603.96/124,480,974.42 = 48,950,496.34/x - Step 3: Cross multiply
90,203,603.96x = 124,480,974.42 × 48,950,496.34 - Step 4: Simplify right side
90,203,603.96x = 6,093,405,482,745,844 - Step 5: Solve for x
x = 6,093,405,482,745,844/90,203,603.96 - Step 6: Final answer
x = 67,551,685.47
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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.