Finding the Fourth Proportional to 157,464,458.10, 236,196,687.15 and 48,306,476.70
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Solution
The fourth proportional to 157,464,458.10, 236,196,687.15 and 48,306,476.70 is: 72,459,715.05
Step by Step Solution
- Step 1: Write the proportion equation
157,464,458.10 : 236,196,687.15 = 48,306,476.70 : x - Step 2: Convert to fraction form
157,464,458.10/236,196,687.15 = 48,306,476.70/x - Step 3: Cross multiply
157,464,458.10x = 236,196,687.15 × 48,306,476.70 - Step 4: Simplify right side
157,464,458.10x = 11,409,829,764,428,666 - Step 5: Solve for x
x = 11,409,829,764,428,666/157,464,458.10 - Step 6: Final answer
x = 72,459,715.05
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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.