Finding the Fourth Proportional to 76,002,645.84, 104,894,857.80 and 48,127,900.92
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Solution
The fourth proportional to 76,002,645.84, 104,894,857.80 and 48,127,900.92 is: 66,423,599.70
Step by Step Solution
- Step 1: Write the proportion equation
76,002,645.84 : 104,894,857.80 = 48,127,900.92 : x - Step 2: Convert to fraction form
76,002,645.84/104,894,857.80 = 48,127,900.92/x - Step 3: Cross multiply
76,002,645.84x = 104,894,857.80 × 48,127,900.92 - Step 4: Simplify right side
76,002,645.84x = 5,048,369,323,215,889 - Step 5: Solve for x
x = 5,048,369,323,215,889/76,002,645.84 - Step 6: Final answer
x = 66,423,599.70
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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.