Finding the Fourth Proportional to 52,749,963.62, 79,117,762.66 and 13,885,160.84
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Solution
The fourth proportional to 52,749,963.62, 79,117,762.66 and 13,885,160.84 is: 20,825,850.57
Step by Step Solution
- Step 1: Write the proportion equation
52,749,963.62 : 79,117,762.66 = 13,885,160.84 : x - Step 2: Convert to fraction form
52,749,963.62/79,117,762.66 = 13,885,160.84/x - Step 3: Cross multiply
52,749,963.62x = 79,117,762.66 × 13,885,160.84 - Step 4: Simplify right side
52,749,963.62x = 1,098,562,859,835,046.12 - Step 5: Solve for x
x = 1,098,562,859,835,046.12/52,749,963.62 - Step 6: Final answer
x = 20,825,850.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.