Finding the Fourth Proportional to 73,815,799.16, 101,863,828.44 and 40,775,337.20
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Solution
The fourth proportional to 73,815,799.16, 101,863,828.44 and 40,775,337.20 is: 56,268,874.69
Step by Step Solution
- Step 1: Write the proportion equation
73,815,799.16 : 101,863,828.44 = 40,775,337.20 : x - Step 2: Convert to fraction form
73,815,799.16/101,863,828.44 = 40,775,337.20/x - Step 3: Cross multiply
73,815,799.16x = 101,863,828.44 × 40,775,337.20 - Step 4: Simplify right side
73,815,799.16x = 4,153,531,953,123,950 - Step 5: Solve for x
x = 4,153,531,953,123,950/73,815,799.16 - Step 6: Final answer
x = 56,268,874.69
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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.