Finding the Fourth Proportional to 202,522,963.44, 279,483,031.20 and 109,703,470.38
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Solution
The fourth proportional to 202,522,963.44, 279,483,031.20 and 109,703,470.38 is: 151,391,515.88
Step by Step Solution
- Step 1: Write the proportion equation
202,522,963.44 : 279,483,031.20 = 109,703,470.38 : x - Step 2: Convert to fraction form
202,522,963.44/279,483,031.20 = 109,703,470.38/x - Step 3: Cross multiply
202,522,963.44x = 279,483,031.20 × 109,703,470.38 - Step 4: Simplify right side
202,522,963.44x = 30,660,258,434,961,812 - Step 5: Solve for x
x = 30,660,258,434,961,812/202,522,963.44 - Step 6: Final answer
x = 151,391,515.88
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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.