Finding the Fourth Proportional to 104,316,051.63, 143,948,950.20 and 57,902,651.94
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Solution
The fourth proportional to 104,316,051.63, 143,948,950.20 and 57,902,651.94 is: 79,901,662.59
Step by Step Solution
- Step 1: Write the proportion equation
104,316,051.63 : 143,948,950.20 = 57,902,651.94 : x - Step 2: Convert to fraction form
104,316,051.63/143,948,950.20 = 57,902,651.94/x - Step 3: Cross multiply
104,316,051.63x = 143,948,950.20 × 57,902,651.94 - Step 4: Simplify right side
104,316,051.63x = 8,335,025,960,558,992 - Step 5: Solve for x
x = 8,335,025,960,558,992/104,316,051.63 - Step 6: Final answer
x = 79,901,662.59
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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.