Finding the Fourth Proportional to 136,118,424,609.09, 187,859,897,729.40 and 77,471,505,746.09
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Solution
The fourth proportional to 136,118,424,609.09, 187,859,897,729.40 and 77,471,505,746.09 is: 106,920,052,801.08
Step by Step Solution
- Step 1: Write the proportion equation
136,118,424,609.09 : 187,859,897,729.40 = 77,471,505,746.09 : x - Step 2: Convert to fraction form
136,118,424,609.09/187,859,897,729.40 = 77,471,505,746.09/x - Step 3: Cross multiply
136,118,424,609.09x = 187,859,897,729.40 × 77,471,505,746.09 - Step 4: Simplify right side
136,118,424,609.09x = 14,553,789,146,403,279,208,448 - Step 5: Solve for x
x = 14,553,789,146,403,279,208,448/136,118,424,609.09 - Step 6: Final answer
x = 106,920,052,801.08
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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.