Finding the Fourth Proportional to 75,076,204.60, 112,425,350.10 and 49,378,079.80
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Solution
The fourth proportional to 75,076,204.60, 112,425,350.10 and 49,378,079.80 is: 73,942,841.65
Step by Step Solution
- Step 1: Write the proportion equation
75,076,204.60 : 112,425,350.10 = 49,378,079.80 : x - Step 2: Convert to fraction form
75,076,204.60/112,425,350.10 = 49,378,079.80/x - Step 3: Cross multiply
75,076,204.60x = 112,425,350.10 × 49,378,079.80 - Step 4: Simplify right side
75,076,204.60x = 5,551,347,908,780,737 - Step 5: Solve for x
x = 5,551,347,908,780,737/75,076,204.60 - Step 6: Final answer
x = 73,942,841.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.