Finding the Fourth Proportional to 202,416,007.80, 303,624,011.70 and 100,379,335.80
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Solution
The fourth proportional to 202,416,007.80, 303,624,011.70 and 100,379,335.80 is: 150,569,003.70
Step by Step Solution
- Step 1: Write the proportion equation
202,416,007.80 : 303,624,011.70 = 100,379,335.80 : x - Step 2: Convert to fraction form
202,416,007.80/303,624,011.70 = 100,379,335.80/x - Step 3: Cross multiply
202,416,007.80x = 303,624,011.70 × 100,379,335.80 - Step 4: Simplify right side
202,416,007.80x = 30,477,576,627,377,428 - Step 5: Solve for x
x = 30,477,576,627,377,428/202,416,007.80 - Step 6: Final answer
x = 150,569,003.70
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1.5x scale
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.