Finding the Fourth Proportional to 88,578,840.40, 132,868,260.60 and 84,752,465.20
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Solution
The fourth proportional to 88,578,840.40, 132,868,260.60 and 84,752,465.20 is: 127,128,697.80
Step by Step Solution
- Step 1: Write the proportion equation
88,578,840.40 : 132,868,260.60 = 84,752,465.20 : x - Step 2: Convert to fraction form
88,578,840.40/132,868,260.60 = 84,752,465.20/x - Step 3: Cross multiply
88,578,840.40x = 132,868,260.60 × 84,752,465.20 - Step 4: Simplify right side
88,578,840.40x = 11,260,912,632,686,032 - Step 5: Solve for x
x = 11,260,912,632,686,032/88,578,840.40 - Step 6: Final answer
x = 127,128,697.80
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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.