Finding the Fourth Proportional to 219,274,284.21, 328,911,987.05 and 55,512,058.29
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Solution
The fourth proportional to 219,274,284.21, 328,911,987.05 and 55,512,058.29 is: 83,268,229.39
Step by Step Solution
- Step 1: Write the proportion equation
219,274,284.21 : 328,911,987.05 = 55,512,058.29 : x - Step 2: Convert to fraction form
219,274,284.21/328,911,987.05 = 55,512,058.29/x - Step 3: Cross multiply
219,274,284.21x = 328,911,987.05 × 55,512,058.29 - Step 4: Simplify right side
219,274,284.21x = 18,258,581,397,121,764 - Step 5: Solve for x
x = 18,258,581,397,121,764/219,274,284.21 - Step 6: Final answer
x = 83,268,229.39
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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.