Finding the Fourth Proportional to 64,234,756.80, 88,419,941.42 and 55,442,107.98
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Solution
The fourth proportional to 64,234,756.80, 88,419,941.42 and 55,442,107.98 is: 76,316,750.99
Step by Step Solution
- Step 1: Write the proportion equation
64,234,756.80 : 88,419,941.42 = 55,442,107.98 : x - Step 2: Convert to fraction form
64,234,756.80/88,419,941.42 = 55,442,107.98/x - Step 3: Cross multiply
64,234,756.80x = 88,419,941.42 × 55,442,107.98 - Step 4: Simplify right side
64,234,756.80x = 4,902,187,939,515,704 - Step 5: Solve for x
x = 4,902,187,939,515,704/64,234,756.80 - Step 6: Final answer
x = 76,316,750.99
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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.