Finding the Fourth Proportional to 221,763,951.32, 306,072,668.19 and 133,658,063.99
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Solution
The fourth proportional to 221,763,951.32, 306,072,668.19 and 133,658,063.99 is: 184,471,281.41
Step by Step Solution
- Step 1: Write the proportion equation
221,763,951.32 : 306,072,668.19 = 133,658,063.99 : x - Step 2: Convert to fraction form
221,763,951.32/306,072,668.19 = 133,658,063.99/x - Step 3: Cross multiply
221,763,951.32x = 306,072,668.19 × 133,658,063.99 - Step 4: Simplify right side
221,763,951.32x = 40,909,080,270,529,056 - Step 5: Solve for x
x = 40,909,080,270,529,056/221,763,951.32 - Step 6: Final answer
x = 184,471,281.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.