Finding the Fourth Proportional to 115,590,394.04, 159,537,917.61 and 68,573,564.73
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Solution
The fourth proportional to 115,590,394.04, 159,537,917.61 and 68,573,564.73 is: 94,645,267.12
Step by Step Solution
- Step 1: Write the proportion equation
115,590,394.04 : 159,537,917.61 = 68,573,564.73 : x - Step 2: Convert to fraction form
115,590,394.04/159,537,917.61 = 68,573,564.73/x - Step 3: Cross multiply
115,590,394.04x = 159,537,917.61 × 68,573,564.73 - Step 4: Simplify right side
115,590,394.04x = 10,940,083,720,118,744 - Step 5: Solve for x
x = 10,940,083,720,118,744/115,590,394.04 - Step 6: Final answer
x = 94,645,267.12
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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.