Finding the Fourth Proportional to 73,497,129.40, 110,245,694.10 and 51,578,140.60
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Solution
The fourth proportional to 73,497,129.40, 110,245,694.10 and 51,578,140.60 is: 77,367,210.90
Step by Step Solution
- Step 1: Write the proportion equation
73,497,129.40 : 110,245,694.10 = 51,578,140.60 : x - Step 2: Convert to fraction form
73,497,129.40/110,245,694.10 = 51,578,140.60/x - Step 3: Cross multiply
73,497,129.40x = 110,245,694.10 × 51,578,140.60 - Step 4: Simplify right side
73,497,129.40x = 5,686,267,910,834,390 - Step 5: Solve for x
x = 5,686,267,910,834,390/73,497,129.40 - Step 6: Final answer
x = 77,367,210.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.