Finding the Fourth Proportional to 69,139,277.96, 95,416,029.96 and 38,198,782.94
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Solution
The fourth proportional to 69,139,277.96, 95,416,029.96 and 38,198,782.94 is: 52,716,434.49
Step by Step Solution
- Step 1: Write the proportion equation
69,139,277.96 : 95,416,029.96 = 38,198,782.94 : x - Step 2: Convert to fraction form
69,139,277.96/95,416,029.96 = 38,198,782.94/x - Step 3: Cross multiply
69,139,277.96x = 95,416,029.96 × 38,198,782.94 - Step 4: Simplify right side
69,139,277.96x = 3,644,776,217,438,576.50 - Step 5: Solve for x
x = 3,644,776,217,438,576.50/69,139,277.96 - Step 6: Final answer
x = 52,716,434.49
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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.