Finding the Fourth Proportional to 252,630,364.88, 378,959,328.12 and 80,094,699.92
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Solution
The fourth proportional to 252,630,364.88, 378,959,328.12 and 80,094,699.92 is: 120,146,418.99
Step by Step Solution
- Step 1: Write the proportion equation
252,630,364.88 : 378,959,328.12 = 80,094,699.92 : x - Step 2: Convert to fraction form
252,630,364.88/378,959,328.12 = 80,094,699.92/x - Step 3: Cross multiply
252,630,364.88x = 378,959,328.12 × 80,094,699.92 - Step 4: Simplify right side
252,630,364.88x = 30,352,633,667,656,220 - Step 5: Solve for x
x = 30,352,633,667,656,220/252,630,364.88 - Step 6: Final answer
x = 120,146,418.99
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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.