Finding the Fourth Proportional to 64,752,013.40, 97,128,020.10 and 32,503,386.20
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Solution
The fourth proportional to 64,752,013.40, 97,128,020.10 and 32,503,386.20 is: 48,755,079.30
Step by Step Solution
- Step 1: Write the proportion equation
64,752,013.40 : 97,128,020.10 = 32,503,386.20 : x - Step 2: Convert to fraction form
64,752,013.40/97,128,020.10 = 32,503,386.20/x - Step 3: Cross multiply
64,752,013.40x = 97,128,020.10 × 32,503,386.20 - Step 4: Simplify right side
64,752,013.40x = 3,156,989,548,151,662.50 - Step 5: Solve for x
x = 3,156,989,548,151,662.50/64,752,013.40 - Step 6: Final answer
x = 48,755,079.30
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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.