Finding the Fourth Proportional to 97,956,359.68, 135,366,211.20 and 73,467,558.40
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Solution
The fourth proportional to 97,956,359.68, 135,366,211.20 and 73,467,558.40 is: 101,525,057.27
Step by Step Solution
- Step 1: Write the proportion equation
97,956,359.68 : 135,366,211.20 = 73,467,558.40 : x - Step 2: Convert to fraction form
97,956,359.68/135,366,211.20 = 73,467,558.40/x - Step 3: Cross multiply
97,956,359.68x = 135,366,211.20 × 73,467,558.40 - Step 4: Simplify right side
97,956,359.68x = 9,945,025,026,722,734 - Step 5: Solve for x
x = 9,945,025,026,722,734/97,956,359.68 - Step 6: Final answer
x = 101,525,057.27
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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.