Finding the Fourth Proportional to 202,176,303.40, 303,264,455.10 and 194,240,117.80
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Solution
The fourth proportional to 202,176,303.40, 303,264,455.10 and 194,240,117.80 is: 291,360,176.70
Step by Step Solution
- Step 1: Write the proportion equation
202,176,303.40 : 303,264,455.10 = 194,240,117.80 : x - Step 2: Convert to fraction form
202,176,303.40/303,264,455.10 = 194,240,117.80/x - Step 3: Cross multiply
202,176,303.40x = 303,264,455.10 × 194,240,117.80 - Step 4: Simplify right side
202,176,303.40x = 58,906,123,483,176,816 - Step 5: Solve for x
x = 58,906,123,483,176,816/202,176,303.40 - Step 6: Final answer
x = 291,360,176.70
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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.