Finding the Fourth Proportional to 221,297,041.42, 305,416,696.43 and 125,950,732.23
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Solution
The fourth proportional to 221,297,041.42, 305,416,696.43 and 125,950,732.23 is: 173,827,251.84
Step by Step Solution
- Step 1: Write the proportion equation
221,297,041.42 : 305,416,696.43 = 125,950,732.23 : x - Step 2: Convert to fraction form
221,297,041.42/305,416,696.43 = 125,950,732.23/x - Step 3: Cross multiply
221,297,041.42x = 305,416,696.43 × 125,950,732.23 - Step 4: Simplify right side
221,297,041.42x = 38,467,456,550,626,128 - Step 5: Solve for x
x = 38,467,456,550,626,128/221,297,041.42 - Step 6: Final answer
x = 173,827,251.84
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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.