Finding the Fourth Proportional to 186,786,019.70, 279,423,202.35 and 164,111,203.70
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Solution
The fourth proportional to 186,786,019.70, 279,423,202.35 and 164,111,203.70 is: 245,502,731.70
Step by Step Solution
- Step 1: Write the proportion equation
186,786,019.70 : 279,423,202.35 = 164,111,203.70 : x - Step 2: Convert to fraction form
186,786,019.70/279,423,202.35 = 164,111,203.70/x - Step 3: Cross multiply
186,786,019.70x = 279,423,202.35 × 164,111,203.70 - Step 4: Simplify right side
186,786,019.70x = 45,856,478,079,367,168 - Step 5: Solve for x
x = 45,856,478,079,367,168/186,786,019.70 - Step 6: Final answer
x = 245,502,731.70
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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.