Finding the Fourth Proportional to 146,357,909.27, 201,974,242.43 and 84,478,198.62
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Solution
The fourth proportional to 146,357,909.27, 201,974,242.43 and 84,478,198.62 is: 116,580,103.22
Step by Step Solution
- Step 1: Write the proportion equation
146,357,909.27 : 201,974,242.43 = 84,478,198.62 : x - Step 2: Convert to fraction form
146,357,909.27/201,974,242.43 = 84,478,198.62/x - Step 3: Cross multiply
146,357,909.27x = 201,974,242.43 × 84,478,198.62 - Step 4: Simplify right side
146,357,909.27x = 17,062,420,169,094,170 - Step 5: Solve for x
x = 17,062,420,169,094,170/146,357,909.27 - Step 6: Final answer
x = 116,580,103.22
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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.