Finding the Fourth Proportional to 134,460,683.20, 201,691,024.80 and 97,897,542.40
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Solution
The fourth proportional to 134,460,683.20, 201,691,024.80 and 97,897,542.40 is: 146,846,313.60
Step by Step Solution
- Step 1: Write the proportion equation
134,460,683.20 : 201,691,024.80 = 97,897,542.40 : x - Step 2: Convert to fraction form
134,460,683.20/201,691,024.80 = 97,897,542.40/x - Step 3: Cross multiply
134,460,683.20x = 201,691,024.80 × 97,897,542.40 - Step 4: Simplify right side
134,460,683.20x = 19,745,055,652,057,452 - Step 5: Solve for x
x = 19,745,055,652,057,452/134,460,683.20 - Step 6: Final answer
x = 146,846,313.60
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1.5x scale
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.