Finding the Fourth Proportional to 215,664,896.80, 323,497,345.20 and 134,035,559.20
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Solution
The fourth proportional to 215,664,896.80, 323,497,345.20 and 134,035,559.20 is: 201,053,338.80
Step by Step Solution
- Step 1: Write the proportion equation
215,664,896.80 : 323,497,345.20 = 134,035,559.20 : x - Step 2: Convert to fraction form
215,664,896.80/323,497,345.20 = 134,035,559.20/x - Step 3: Cross multiply
215,664,896.80x = 323,497,345.20 × 134,035,559.20 - Step 4: Simplify right side
215,664,896.80x = 43,360,147,563,597,432 - Step 5: Solve for x
x = 43,360,147,563,597,432/215,664,896.80 - Step 6: Final answer
x = 201,053,338.80
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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.