Finding the Fourth Proportional to 98,474,240.70, 135,913,230.05 and 64,924,813.26
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Solution
The fourth proportional to 98,474,240.70, 135,913,230.05 and 64,924,813.26 is: 89,608,622.70
Step by Step Solution
- Step 1: Write the proportion equation
98,474,240.70 : 135,913,230.05 = 64,924,813.26 : x - Step 2: Convert to fraction form
98,474,240.70/135,913,230.05 = 64,924,813.26/x - Step 3: Cross multiply
98,474,240.70x = 135,913,230.05 × 64,924,813.26 - Step 4: Simplify right side
98,474,240.70x = 8,824,141,080,235,045 - Step 5: Solve for x
x = 8,824,141,080,235,045/98,474,240.70 - Step 6: Final answer
x = 89,608,622.70
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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.