Finding the Fourth Proportional to 98,622,382.08, 136,091,496.96 and 55,153,920
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Solution
The fourth proportional to 98,622,382.08, 136,091,496.96 and 55,153,920 is: 76,108,276.62
Step by Step Solution
- Step 1: Write the proportion equation
98,622,382.08 : 136,091,496.96 = 55,153,920 : x - Step 2: Convert to fraction form
98,622,382.08/136,091,496.96 = 55,153,920/x - Step 3: Cross multiply
98,622,382.08x = 136,091,496.96 × 55,153,920 - Step 4: Simplify right side
98,622,382.08x = 7,505,979,536,012,084 - Step 5: Solve for x
x = 7,505,979,536,012,084/98,622,382.08 - Step 6: Final answer
x = 76,108,276.62
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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.