Finding the Fourth Proportional to 102,575,733.18, 141,554,740.92 and 55,533,302.44
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Solution
The fourth proportional to 102,575,733.18, 141,554,740.92 and 55,533,302.44 is: 76,636,081.42
Step by Step Solution
- Step 1: Write the proportion equation
102,575,733.18 : 141,554,740.92 = 55,533,302.44 : x - Step 2: Convert to fraction form
102,575,733.18/141,554,740.92 = 55,533,302.44/x - Step 3: Cross multiply
102,575,733.18x = 141,554,740.92 × 55,533,302.44 - Step 4: Simplify right side
102,575,733.18x = 7,861,002,239,326,203 - Step 5: Solve for x
x = 7,861,002,239,326,203/102,575,733.18 - Step 6: Final answer
x = 76,636,081.42
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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.