Finding the Fourth Proportional to 116,162,147.99, 160,315,344.08 and 86,742,404.58
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Solution
The fourth proportional to 116,162,147.99, 160,315,344.08 and 86,742,404.58 is: 119,713,165.41
Step by Step Solution
- Step 1: Write the proportion equation
116,162,147.99 : 160,315,344.08 = 86,742,404.58 : x - Step 2: Convert to fraction form
116,162,147.99/160,315,344.08 = 86,742,404.58/x - Step 3: Cross multiply
116,162,147.99x = 160,315,344.08 × 86,742,404.58 - Step 4: Simplify right side
116,162,147.99x = 13,906,138,437,062,022 - Step 5: Solve for x
x = 13,906,138,437,062,022/116,162,147.99 - Step 6: Final answer
x = 119,713,165.41
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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.