Finding the Fourth Proportional to 115,313,919.36, 159,306,055.20 and 75,715,397.52
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Solution
The fourth proportional to 115,313,919.36, 159,306,055.20 and 75,715,397.52 is: 104,600,740.00
Step by Step Solution
- Step 1: Write the proportion equation
115,313,919.36 : 159,306,055.20 = 75,715,397.52 : x - Step 2: Convert to fraction form
115,313,919.36/159,306,055.20 = 75,715,397.52/x - Step 3: Cross multiply
115,313,919.36x = 159,306,055.20 × 75,715,397.52 - Step 4: Simplify right side
115,313,919.36x = 12,061,921,296,811,062 - Step 5: Solve for x
x = 12,061,921,296,811,062/115,313,919.36 - Step 6: Final answer
x = 104,600,740.00
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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.