Finding the Fourth Proportional to 134,387,939.10, 201,619,233.45 and 57,747,683.10
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Solution
The fourth proportional to 134,387,939.10, 201,619,233.45 and 57,747,683.10 is: 86,637,563.45
Step by Step Solution
- Step 1: Write the proportion equation
134,387,939.10 : 201,619,233.45 = 57,747,683.10 : x - Step 2: Convert to fraction form
134,387,939.10/201,619,233.45 = 57,747,683.10/x - Step 3: Cross multiply
134,387,939.10x = 201,619,233.45 × 57,747,683.10 - Step 4: Simplify right side
134,387,939.10x = 11,643,043,600,135,520 - Step 5: Solve for x
x = 11,643,043,600,135,520/134,387,939.10 - Step 6: Final answer
x = 86,637,563.45
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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.