Finding the Fourth Proportional to 64,229,935.42, 88,634,939.97 and 34,860,637.45
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Solution
The fourth proportional to 64,229,935.42, 88,634,939.97 and 34,860,637.45 is: 48,106,392.88
Step by Step Solution
- Step 1: Write the proportion equation
64,229,935.42 : 88,634,939.97 = 34,860,637.45 : x - Step 2: Convert to fraction form
64,229,935.42/88,634,939.97 = 34,860,637.45/x - Step 3: Cross multiply
64,229,935.42x = 88,634,939.97 × 34,860,637.45 - Step 4: Simplify right side
64,229,935.42x = 3,089,870,507,696,684 - Step 5: Solve for x
x = 3,089,870,507,696,684/64,229,935.42 - Step 6: Final answer
x = 48,106,392.88
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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.