Finding the Fourth Proportional to 88,139,137.14, 121,634,963.01 and 48,982,564.26
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Solution
The fourth proportional to 88,139,137.14, 121,634,963.01 and 48,982,564.26 is: 67,597,580.20
Step by Step Solution
- Step 1: Write the proportion equation
88,139,137.14 : 121,634,963.01 = 48,982,564.26 : x - Step 2: Convert to fraction form
88,139,137.14/121,634,963.01 = 48,982,564.26/x - Step 3: Cross multiply
88,139,137.14x = 121,634,963.01 × 48,982,564.26 - Step 4: Simplify right side
88,139,137.14x = 5,957,992,391,900,048 - Step 5: Solve for x
x = 5,957,992,391,900,048/88,139,137.14 - Step 6: Final answer
x = 67,597,580.20
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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.