Finding the Fourth Proportional to 188,240,376.09, 259,497,936.42 and 131,549,112.20
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Solution
The fourth proportional to 188,240,376.09, 259,497,936.42 and 131,549,112.20 is: 181,346,445.77
Step by Step Solution
- Step 1: Write the proportion equation
188,240,376.09 : 259,497,936.42 = 131,549,112.20 : x - Step 2: Convert to fraction form
188,240,376.09/259,497,936.42 = 131,549,112.20/x - Step 3: Cross multiply
188,240,376.09x = 259,497,936.42 × 131,549,112.20 - Step 4: Simplify right side
188,240,376.09x = 34,136,723,154,679,104 - Step 5: Solve for x
x = 34,136,723,154,679,104/188,240,376.09 - Step 6: Final answer
x = 181,346,445.77
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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.