Finding the Fourth Proportional to 192,579,604.87, 288,689,695.08 and 75,995,926.28
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Solution
The fourth proportional to 192,579,604.87, 288,689,695.08 and 75,995,926.28 is: 113,922,971.23
Step by Step Solution
- Step 1: Write the proportion equation
192,579,604.87 : 288,689,695.08 = 75,995,926.28 : x - Step 2: Convert to fraction form
192,579,604.87/288,689,695.08 = 75,995,926.28/x - Step 3: Cross multiply
192,579,604.87x = 288,689,695.08 × 75,995,926.28 - Step 4: Simplify right side
192,579,604.87x = 21,939,240,785,095,356 - Step 5: Solve for x
x = 21,939,240,785,095,356/192,579,604.87 - Step 6: Final answer
x = 113,922,971.23
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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.