Finding the Fourth Proportional to 79,893,219.33, 110,328,785.28 and 75,540,650.13
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Solution
The fourth proportional to 79,893,219.33, 110,328,785.28 and 75,540,650.13 is: 104,318,091.55
Step by Step Solution
- Step 1: Write the proportion equation
79,893,219.33 : 110,328,785.28 = 75,540,650.13 : x - Step 2: Convert to fraction form
79,893,219.33/110,328,785.28 = 75,540,650.13/x - Step 3: Cross multiply
79,893,219.33x = 110,328,785.28 × 75,540,650.13 - Step 4: Simplify right side
79,893,219.33x = 8,334,308,168,104,374 - Step 5: Solve for x
x = 8,334,308,168,104,374/79,893,219.33 - Step 6: Final answer
x = 104,318,091.55
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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.