Finding the Fourth Proportional to 74,769,057.20, 112,269,059.40 and 40,756,833.20
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Solution
The fourth proportional to 74,769,057.20, 112,269,059.40 and 40,756,833.20 is: 61,198,194.80
Step by Step Solution
- Step 1: Write the proportion equation
74,769,057.20 : 112,269,059.40 = 40,756,833.20 : x - Step 2: Convert to fraction form
74,769,057.20/112,269,059.40 = 40,756,833.20/x - Step 3: Cross multiply
74,769,057.20x = 112,269,059.40 × 40,756,833.20 - Step 4: Simplify right side
74,769,057.20x = 4,575,731,327,486,693 - Step 5: Solve for x
x = 4,575,731,327,486,693/74,769,057.20 - Step 6: Final answer
x = 61,198,194.80
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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.