Finding the Fourth Proportional to 49,549,463, 68,378,258.94 and 27,819,897.56
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Solution
The fourth proportional to 49,549,463, 68,378,258.94 and 27,819,897.56 is: 38,391,458.63
Step by Step Solution
- Step 1: Write the proportion equation
49,549,463 : 68,378,258.94 = 27,819,897.56 : x - Step 2: Convert to fraction form
49,549,463/68,378,258.94 = 27,819,897.56/x - Step 3: Cross multiply
49,549,463x = 68,378,258.94 × 27,819,897.56 - Step 4: Simplify right side
49,549,463x = 1,902,276,159,041,954 - Step 5: Solve for x
x = 1,902,276,159,041,954/49,549,463 - Step 6: Final answer
x = 38,391,458.63
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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.