Finding the Fourth Proportional to 135,051,790.50, 202,253,987.88 and 69,299,897.94
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Solution
The fourth proportional to 135,051,790.50, 202,253,987.88 and 69,299,897.94 is: 103,783,745.97
Step by Step Solution
- Step 1: Write the proportion equation
135,051,790.50 : 202,253,987.88 = 69,299,897.94 : x - Step 2: Convert to fraction form
135,051,790.50/202,253,987.88 = 69,299,897.94/x - Step 3: Cross multiply
135,051,790.50x = 202,253,987.88 × 69,299,897.94 - Step 4: Simplify right side
135,051,790.50x = 14,016,180,718,041,996 - Step 5: Solve for x
x = 14,016,180,718,041,996/135,051,790.50 - Step 6: Final answer
x = 103,783,745.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.