Finding the Fourth Proportional to 51,578,201.20, 77,367,301.80 and 51,578,201.20
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Solution
The fourth proportional to 51,578,201.20, 77,367,301.80 and 51,578,201.20 is: 77,367,301.80
Step by Step Solution
- Step 1: Write the proportion equation
51,578,201.20 : 77,367,301.80 = 51,578,201.20 : x - Step 2: Convert to fraction form
51,578,201.20/77,367,301.80 = 51,578,201.20/x - Step 3: Cross multiply
51,578,201.20x = 77,367,301.80 × 51,578,201.20 - Step 4: Simplify right side
51,578,201.20x = 3,990,466,258,541,522 - Step 5: Solve for x
x = 3,990,466,258,541,522/51,578,201.20 - Step 6: Final answer
x = 77,367,301.80
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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.