Finding the Fourth Proportional to 272,874,750.12, 409,524,380.43 and 190,458,216.06
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Solution
The fourth proportional to 272,874,750.12, 409,524,380.43 and 190,458,216.06 is: 285,835,471.75
Step by Step Solution
- Step 1: Write the proportion equation
272,874,750.12 : 409,524,380.43 = 190,458,216.06 : x - Step 2: Convert to fraction form
272,874,750.12/409,524,380.43 = 190,458,216.06/x - Step 3: Cross multiply
272,874,750.12x = 409,524,380.43 × 190,458,216.06 - Step 4: Simplify right side
272,874,750.12x = 77,997,282,929,774,576 - Step 5: Solve for x
x = 77,997,282,929,774,576/272,874,750.12 - Step 6: Final answer
x = 285,835,471.75
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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.