Finding the Fourth Proportional to 113,538,312.55, 156,682,933.97 and 61,327,348.14
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Solution
The fourth proportional to 113,538,312.55, 156,682,933.97 and 61,327,348.14 is: 84,631,774.27
Step by Step Solution
- Step 1: Write the proportion equation
113,538,312.55 : 156,682,933.97 = 61,327,348.14 : x - Step 2: Convert to fraction form
113,538,312.55/156,682,933.97 = 61,327,348.14/x - Step 3: Cross multiply
113,538,312.55x = 156,682,933.97 × 61,327,348.14 - Step 4: Simplify right side
113,538,312.55x = 9,608,948,839,174,822 - Step 5: Solve for x
x = 9,608,948,839,174,822/113,538,312.55 - Step 6: Final answer
x = 84,631,774.27
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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.