Finding the Fourth Proportional to 73,956,836.21, 102,056,699.52 and 40,465,590.44
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Solution
The fourth proportional to 73,956,836.21, 102,056,699.52 and 40,465,590.44 is: 55,840,471.49
Step by Step Solution
- Step 1: Write the proportion equation
73,956,836.21 : 102,056,699.52 = 40,465,590.44 : x - Step 2: Convert to fraction form
73,956,836.21/102,056,699.52 = 40,465,590.44/x - Step 3: Cross multiply
73,956,836.21x = 102,056,699.52 × 40,465,590.44 - Step 4: Simplify right side
73,956,836.21x = 4,129,784,603,924,181 - Step 5: Solve for x
x = 4,129,784,603,924,181/73,956,836.21 - Step 6: Final answer
x = 55,840,471.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.