Finding the Fourth Proportional to 121,148,882.40, 181,723,323.60 and 73,373,138.40
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Solution
The fourth proportional to 121,148,882.40, 181,723,323.60 and 73,373,138.40 is: 110,059,707.60
Step by Step Solution
- Step 1: Write the proportion equation
121,148,882.40 : 181,723,323.60 = 73,373,138.40 : x - Step 2: Convert to fraction form
121,148,882.40/181,723,323.60 = 73,373,138.40/x - Step 3: Cross multiply
121,148,882.40x = 181,723,323.60 × 73,373,138.40 - Step 4: Simplify right side
121,148,882.40x = 13,333,610,573,010,786 - Step 5: Solve for x
x = 13,333,610,573,010,786/121,148,882.40 - Step 6: Final answer
x = 110,059,707.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.