Finding the Fourth Proportional to 221,297,133.40, 305,416,823.32 and 125,950,824.08
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Solution
The fourth proportional to 221,297,133.40, 305,416,823.32 and 125,950,824.08 is: 173,827,378.57
Step by Step Solution
- Step 1: Write the proportion equation
221,297,133.40 : 305,416,823.32 = 125,950,824.08 : x - Step 2: Convert to fraction form
221,297,133.40/305,416,823.32 = 125,950,824.08/x - Step 3: Cross multiply
221,297,133.40x = 305,416,823.32 × 125,950,824.08 - Step 4: Simplify right side
221,297,133.40x = 38,467,500,585,049,760 - Step 5: Solve for x
x = 38,467,500,585,049,760/221,297,133.40 - Step 6: Final answer
x = 173,827,378.57
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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.