Finding the Fourth Proportional to 63,142,571.44, 87,088,733.84 and 54,336,864.70
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Solution
The fourth proportional to 63,142,571.44, 87,088,733.84 and 54,336,864.70 is: 74,943,554.55
Step by Step Solution
- Step 1: Write the proportion equation
63,142,571.44 : 87,088,733.84 = 54,336,864.70 : x - Step 2: Convert to fraction form
63,142,571.44/87,088,733.84 = 54,336,864.70/x - Step 3: Cross multiply
63,142,571.44x = 87,088,733.84 × 54,336,864.70 - Step 4: Simplify right side
63,142,571.44x = 4,732,128,746,851,263 - Step 5: Solve for x
x = 4,732,128,746,851,263/63,142,571.44 - Step 6: Final answer
x = 74,943,554.55
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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.