Finding the Fourth Proportional to 106,243,580.96, 146,612,270.96 and 59,198,223.68
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Solution
The fourth proportional to 106,243,580.96, 146,612,270.96 and 59,198,223.68 is: 81,691,391.91
Step by Step Solution
- Step 1: Write the proportion equation
106,243,580.96 : 146,612,270.96 = 59,198,223.68 : x - Step 2: Convert to fraction form
106,243,580.96/146,612,270.96 = 59,198,223.68/x - Step 3: Cross multiply
106,243,580.96x = 146,612,270.96 × 59,198,223.68 - Step 4: Simplify right side
106,243,580.96x = 8,679,186,010,522,849 - Step 5: Solve for x
x = 8,679,186,010,522,849/106,243,580.96 - Step 6: Final answer
x = 81,691,391.91
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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.