Finding the Fourth Proportional to 56,893,102.48, 78,512,481.39 and 30,787,620.23
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Solution
The fourth proportional to 56,893,102.48, 78,512,481.39 and 30,787,620.23 is: 42,486,915.90
Step by Step Solution
- Step 1: Write the proportion equation
56,893,102.48 : 78,512,481.39 = 30,787,620.23 : x - Step 2: Convert to fraction form
56,893,102.48/78,512,481.39 = 30,787,620.23/x - Step 3: Cross multiply
56,893,102.48x = 78,512,481.39 × 30,787,620.23 - Step 4: Simplify right side
56,893,102.48x = 2,417,212,460,220,364.50 - Step 5: Solve for x
x = 2,417,212,460,220,364.50/56,893,102.48 - Step 6: Final answer
x = 42,486,915.90
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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.