Finding the Fourth Proportional to 75,748,931.20, 104,535,577.92 and 46,379,704.96
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Solution
The fourth proportional to 75,748,931.20, 104,535,577.92 and 46,379,704.96 is: 64,005,249.78
Step by Step Solution
- Step 1: Write the proportion equation
75,748,931.20 : 104,535,577.92 = 46,379,704.96 : x - Step 2: Convert to fraction form
75,748,931.20/104,535,577.92 = 46,379,704.96/x - Step 3: Cross multiply
75,748,931.20x = 104,535,577.92 × 46,379,704.96 - Step 4: Simplify right side
75,748,931.20x = 4,848,329,261,752,691 - Step 5: Solve for x
x = 4,848,329,261,752,691/75,748,931.20 - Step 6: Final answer
x = 64,005,249.78
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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.