Finding the Fourth Proportional to 211,338,007.20, 317,016,975.35 and 174,381,350.99
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Solution
The fourth proportional to 211,338,007.20, 317,016,975.35 and 174,381,350.99 is: 261,580,248.53
Step by Step Solution
- Step 1: Write the proportion equation
211,338,007.20 : 317,016,975.35 = 174,381,350.99 : x - Step 2: Convert to fraction form
211,338,007.20/317,016,975.35 = 174,381,350.99/x - Step 3: Cross multiply
211,338,007.20x = 317,016,975.35 × 174,381,350.99 - Step 4: Simplify right side
211,338,007.20x = 55,281,848,447,147,408 - Step 5: Solve for x
x = 55,281,848,447,147,408/211,338,007.20 - Step 6: Final answer
x = 261,580,248.53
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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.