Finding the Fourth Proportional to 260,035,550.76, 358,848,973.44 and 142,558,361.70
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Solution
The fourth proportional to 260,035,550.76, 358,848,973.44 and 142,558,361.70 is: 196,730,491.66
Step by Step Solution
- Step 1: Write the proportion equation
260,035,550.76 : 358,848,973.44 = 142,558,361.70 : x - Step 2: Convert to fraction form
260,035,550.76/358,848,973.44 = 142,558,361.70/x - Step 3: Cross multiply
260,035,550.76x = 358,848,973.44 × 142,558,361.70 - Step 4: Simplify right side
260,035,550.76x = 51,156,921,751,333,208 - Step 5: Solve for x
x = 51,156,921,751,333,208/260,035,550.76 - Step 6: Final answer
x = 196,730,491.66
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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.