Finding the Fourth Proportional to 221,297,135.92, 305,416,826.79 and 125,950,826.59
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Solution
The fourth proportional to 221,297,135.92, 305,416,826.79 and 125,950,826.59 is: 173,827,382.03
Step by Step Solution
- Step 1: Write the proportion equation
221,297,135.92 : 305,416,826.79 = 125,950,826.59 : x - Step 2: Convert to fraction form
221,297,135.92/305,416,826.79 = 125,950,826.59/x - Step 3: Cross multiply
221,297,135.92x = 305,416,826.79 × 125,950,826.59 - Step 4: Simplify right side
221,297,135.92x = 38,467,501,787,168,272 - Step 5: Solve for x
x = 38,467,501,787,168,272/221,297,135.92 - Step 6: Final answer
x = 173,827,382.03
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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.