Finding the Fourth Proportional to 202,242,535.80, 303,363,803.70 and 196,573,831.80
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Solution
The fourth proportional to 202,242,535.80, 303,363,803.70 and 196,573,831.80 is: 294,860,747.70
Step by Step Solution
- Step 1: Write the proportion equation
202,242,535.80 : 303,363,803.70 = 196,573,831.80 : x - Step 2: Convert to fraction form
202,242,535.80/303,363,803.70 = 196,573,831.80/x - Step 3: Cross multiply
202,242,535.80x = 303,363,803.70 × 196,573,831.80 - Step 4: Simplify right side
202,242,535.80x = 59,633,385,322,732,016 - Step 5: Solve for x
x = 59,633,385,322,732,016/202,242,535.80 - Step 6: Final answer
x = 294,860,747.70
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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.