Finding the Fourth Proportional to 88,931,833.62, 122,729,765.94 and 49,239,364.04
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Solution
The fourth proportional to 88,931,833.62, 122,729,765.94 and 49,239,364.04 is: 67,952,446.02
Step by Step Solution
- Step 1: Write the proportion equation
88,931,833.62 : 122,729,765.94 = 49,239,364.04 : x - Step 2: Convert to fraction form
88,931,833.62/122,729,765.94 = 49,239,364.04/x - Step 3: Cross multiply
88,931,833.62x = 122,729,765.94 × 49,239,364.04 - Step 4: Simplify right side
88,931,833.62x = 6,043,135,623,663,653 - Step 5: Solve for x
x = 6,043,135,623,663,653/88,931,833.62 - Step 6: Final answer
x = 67,952,446.02
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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.