Finding the Fourth Proportional to 74,800,919.36, 112,270,346.72 and 37,938,676.97
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Solution
The fourth proportional to 74,800,919.36, 112,270,346.72 and 37,938,676.97 is: 56,942,995.54
Step by Step Solution
- Step 1: Write the proportion equation
74,800,919.36 : 112,270,346.72 = 37,938,676.97 : x - Step 2: Convert to fraction form
74,800,919.36/112,270,346.72 = 37,938,676.97/x - Step 3: Cross multiply
74,800,919.36x = 112,270,346.72 × 37,938,676.97 - Step 4: Simplify right side
74,800,919.36x = 4,259,388,417,519,979 - Step 5: Solve for x
x = 4,259,388,417,519,979/74,800,919.36 - Step 6: Final answer
x = 56,942,995.54
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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.