Finding the Fourth Proportional to 83,956,240.36, 115,888,597.86 and 49,160,114.92
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Solution
The fourth proportional to 83,956,240.36, 115,888,597.86 and 49,160,114.92 is: 67,857,931.28
Step by Step Solution
- Step 1: Write the proportion equation
83,956,240.36 : 115,888,597.86 = 49,160,114.92 : x - Step 2: Convert to fraction form
83,956,240.36/115,888,597.86 = 49,160,114.92/x - Step 3: Cross multiply
83,956,240.36x = 115,888,597.86 × 49,160,114.92 - Step 4: Simplify right side
83,956,240.36x = 5,697,096,788,715,266 - Step 5: Solve for x
x = 5,697,096,788,715,266/83,956,240.36 - Step 6: Final answer
x = 67,857,931.28
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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.