Finding the Fourth Proportional to 112,352,853.60, 168,571,270.80 and 44,243,025.12
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Solution
The fourth proportional to 112,352,853.60, 168,571,270.80 and 44,243,025.12 is: 66,381,072.93
Step by Step Solution
- Step 1: Write the proportion equation
112,352,853.60 : 168,571,270.80 = 44,243,025.12 : x - Step 2: Convert to fraction form
112,352,853.60/168,571,270.80 = 44,243,025.12/x - Step 3: Cross multiply
112,352,853.60x = 168,571,270.80 × 44,243,025.12 - Step 4: Simplify right side
112,352,853.60x = 7,458,102,968,514,723 - Step 5: Solve for x
x = 7,458,102,968,514,723/112,352,853.60 - Step 6: Final answer
x = 66,381,072.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.