Finding the Fourth Proportional to 98,701,147.77, 136,211,841.18 and 54,648,147.57
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Solution
The fourth proportional to 98,701,147.77, 136,211,841.18 and 54,648,147.57 is: 75,416,800.77
Step by Step Solution
- Step 1: Write the proportion equation
98,701,147.77 : 136,211,841.18 = 54,648,147.57 : x - Step 2: Convert to fraction form
98,701,147.77/136,211,841.18 = 54,648,147.57/x - Step 3: Cross multiply
98,701,147.77x = 136,211,841.18 × 54,648,147.57 - Step 4: Simplify right side
98,701,147.77x = 7,443,724,797,586,043 - Step 5: Solve for x
x = 7,443,724,797,586,043/98,701,147.77 - Step 6: Final answer
x = 75,416,800.77
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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.