Finding the Fourth Proportional to 97,017,700.70, 145,526,551.05 and 48,503,042.30
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Solution
The fourth proportional to 97,017,700.70, 145,526,551.05 and 48,503,042.30 is: 72,754,563.45
Step by Step Solution
- Step 1: Write the proportion equation
97,017,700.70 : 145,526,551.05 = 48,503,042.30 : x - Step 2: Convert to fraction form
97,017,700.70/145,526,551.05 = 48,503,042.30/x - Step 3: Cross multiply
97,017,700.70x = 145,526,551.05 × 48,503,042.30 - Step 4: Simplify right side
97,017,700.70x = 7,058,480,461,351,260 - Step 5: Solve for x
x = 7,058,480,461,351,260/97,017,700.70 - Step 6: Final answer
x = 72,754,563.45
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Similar ratio
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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.