Finding the Fourth Proportional to 69,480,845.44, 104,190,855.36 and 28,512,177.28
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Solution
The fourth proportional to 69,480,845.44, 104,190,855.36 and 28,512,177.28 is: 42,755,785.72
Step by Step Solution
- Step 1: Write the proportion equation
69,480,845.44 : 104,190,855.36 = 28,512,177.28 : x - Step 2: Convert to fraction form
69,480,845.44/104,190,855.36 = 28,512,177.28/x - Step 3: Cross multiply
69,480,845.44x = 104,190,855.36 × 28,512,177.28 - Step 4: Simplify right side
69,480,845.44x = 2,970,708,138,979,158.50 - Step 5: Solve for x
x = 2,970,708,138,979,158.50/69,480,845.44 - Step 6: Final answer
x = 42,755,785.72
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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.