Finding the Fourth Proportional to 186,138,340.20, 279,207,510.30 and 49,823,723.70
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Solution
The fourth proportional to 186,138,340.20, 279,207,510.30 and 49,823,723.70 is: 74,735,585.55
Step by Step Solution
- Step 1: Write the proportion equation
186,138,340.20 : 279,207,510.30 = 49,823,723.70 : x - Step 2: Convert to fraction form
186,138,340.20/279,207,510.30 = 49,823,723.70/x - Step 3: Cross multiply
186,138,340.20x = 279,207,510.30 × 49,823,723.70 - Step 4: Simplify right side
186,138,340.20x = 13,911,157,848,152,106 - Step 5: Solve for x
x = 13,911,157,848,152,106/186,138,340.20 - Step 6: Final answer
x = 74,735,585.55
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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.