Finding the Fourth Proportional to 131,847,219.19, 181,940,293.37 and 73,107,709.76
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Solution
The fourth proportional to 131,847,219.19, 181,940,293.37 and 73,107,709.76 is: 100,883,721.65
Step by Step Solution
- Step 1: Write the proportion equation
131,847,219.19 : 181,940,293.37 = 73,107,709.76 : x - Step 2: Convert to fraction form
131,847,219.19/181,940,293.37 = 73,107,709.76/x - Step 3: Cross multiply
131,847,219.19x = 181,940,293.37 × 73,107,709.76 - Step 4: Simplify right side
131,847,219.19x = 13,301,238,160,067,972 - Step 5: Solve for x
x = 13,301,238,160,067,972/131,847,219.19 - Step 6: Final answer
x = 100,883,721.65
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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.