Finding the Fourth Proportional to 136,062,910.01, 187,782,756.54 and 77,334,403.07
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Solution
The fourth proportional to 136,062,910.01, 187,782,756.54 and 77,334,403.07 is: 106,730,536.50
Step by Step Solution
- Step 1: Write the proportion equation
136,062,910.01 : 187,782,756.54 = 77,334,403.07 : x - Step 2: Convert to fraction form
136,062,910.01/187,782,756.54 = 77,334,403.07/x - Step 3: Cross multiply
136,062,910.01x = 187,782,756.54 × 77,334,403.07 - Step 4: Simplify right side
136,062,910.01x = 14,522,067,382,983,212 - Step 5: Solve for x
x = 14,522,067,382,983,212/136,062,910.01 - Step 6: Final answer
x = 106,730,536.50
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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.