Finding the Fourth Proportional to 102,208,093.80, 153,312,140.70 and 82,052,701.80
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Solution
The fourth proportional to 102,208,093.80, 153,312,140.70 and 82,052,701.80 is: 123,079,052.70
Step by Step Solution
- Step 1: Write the proportion equation
102,208,093.80 : 153,312,140.70 = 82,052,701.80 : x - Step 2: Convert to fraction form
102,208,093.80/153,312,140.70 = 82,052,701.80/x - Step 3: Cross multiply
102,208,093.80x = 153,312,140.70 × 82,052,701.80 - Step 4: Simplify right side
102,208,093.80x = 12,579,675,363,176,742 - Step 5: Solve for x
x = 12,579,675,363,176,742/102,208,093.80 - Step 6: Final answer
x = 123,079,052.70
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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.