Finding the Fourth Proportional to 69,797,228.40, 96,318,293.52 and 38,857,400.40
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Solution
The fourth proportional to 69,797,228.40, 96,318,293.52 and 38,857,400.40 is: 53,622,164.99
Step by Step Solution
- Step 1: Write the proportion equation
69,797,228.40 : 96,318,293.52 = 38,857,400.40 : x - Step 2: Convert to fraction form
69,797,228.40/96,318,293.52 = 38,857,400.40/x - Step 3: Cross multiply
69,797,228.40x = 96,318,293.52 × 38,857,400.40 - Step 4: Simplify right side
69,797,228.40x = 3,742,678,497,151,365 - Step 5: Solve for x
x = 3,742,678,497,151,365/69,797,228.40 - Step 6: Final answer
x = 53,622,164.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.