Finding the Fourth Proportional to 146,528,428.14, 202,209,628.72 and 80,453,206.17
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Solution
The fourth proportional to 146,528,428.14, 202,209,628.72 and 80,453,206.17 is: 111,025,642.98
Step by Step Solution
- Step 1: Write the proportion equation
146,528,428.14 : 202,209,628.72 = 80,453,206.17 : x - Step 2: Convert to fraction form
146,528,428.14/202,209,628.72 = 80,453,206.17/x - Step 3: Cross multiply
146,528,428.14x = 202,209,628.72 × 80,453,206.17 - Step 4: Simplify right side
146,528,428.14x = 16,268,412,948,969,314 - Step 5: Solve for x
x = 16,268,412,948,969,314/146,528,428.14 - Step 6: Final answer
x = 111,025,642.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.