Finding the Fourth Proportional to 75,450,729.64, 113,164,723.86 and 48,346,428.82
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Solution
The fourth proportional to 75,450,729.64, 113,164,723.86 and 48,346,428.82 is: 72,512,357.31
Step by Step Solution
- Step 1: Write the proportion equation
75,450,729.64 : 113,164,723.86 = 48,346,428.82 : x - Step 2: Convert to fraction form
75,450,729.64/113,164,723.86 = 48,346,428.82/x - Step 3: Cross multiply
75,450,729.64x = 113,164,723.86 × 48,346,428.82 - Step 4: Simplify right side
75,450,729.64x = 5,471,110,267,032,446 - Step 5: Solve for x
x = 5,471,110,267,032,446/75,450,729.64 - Step 6: Final answer
x = 72,512,357.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.