Finding the Fourth Proportional to 49,776,536.47, 74,691,573.68 and 47,964,749.13
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Solution
The fourth proportional to 49,776,536.47, 74,691,573.68 and 47,964,749.13 is: 71,972,918.32
Step by Step Solution
- Step 1: Write the proportion equation
49,776,536.47 : 74,691,573.68 = 47,964,749.13 : x - Step 2: Convert to fraction form
49,776,536.47/74,691,573.68 = 47,964,749.13/x - Step 3: Cross multiply
49,776,536.47x = 74,691,573.68 × 47,964,749.13 - Step 4: Simplify right side
49,776,536.47x = 3,582,562,593,686,111.50 - Step 5: Solve for x
x = 3,582,562,593,686,111.50/49,776,536.47 - Step 6: Final answer
x = 71,972,918.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.