Finding the Fourth Proportional to 98,060,372.20, 135,332,872.06 and 73,237,463.74
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Solution
The fourth proportional to 98,060,372.20, 135,332,872.06 and 73,237,463.74 is: 101,074,838.77
Step by Step Solution
- Step 1: Write the proportion equation
98,060,372.20 : 135,332,872.06 = 73,237,463.74 : x - Step 2: Convert to fraction form
98,060,372.20/135,332,872.06 = 73,237,463.74/x - Step 3: Cross multiply
98,060,372.20x = 135,332,872.06 × 73,237,463.74 - Step 4: Simplify right side
98,060,372.20x = 9,911,436,310,324,308 - Step 5: Solve for x
x = 9,911,436,310,324,308/98,060,372.20 - Step 6: Final answer
x = 101,074,838.77
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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.