Finding the Fourth Proportional to 165,297,376.78, 247,981,937.43 and 50,278,929.75
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Solution
The fourth proportional to 165,297,376.78, 247,981,937.43 and 50,278,929.75 is: 75,429,305.98
Step by Step Solution
- Step 1: Write the proportion equation
165,297,376.78 : 247,981,937.43 = 50,278,929.75 : x - Step 2: Convert to fraction form
165,297,376.78/247,981,937.43 = 50,278,929.75/x - Step 3: Cross multiply
165,297,376.78x = 247,981,937.43 × 50,278,929.75 - Step 4: Simplify right side
165,297,376.78x = 12,468,266,410,071,956 - Step 5: Solve for x
x = 12,468,266,410,071,956/165,297,376.78 - Step 6: Final answer
x = 75,429,305.98
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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.