Finding the Fourth Proportional to 97,008,291.20, 145,512,436.80 and 58,744,539.20
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Solution
The fourth proportional to 97,008,291.20, 145,512,436.80 and 58,744,539.20 is: 88,116,808.80
Step by Step Solution
- Step 1: Write the proportion equation
97,008,291.20 : 145,512,436.80 = 58,744,539.20 : x - Step 2: Convert to fraction form
97,008,291.20/145,512,436.80 = 58,744,539.20/x - Step 3: Cross multiply
97,008,291.20x = 145,512,436.80 × 58,744,539.20 - Step 4: Simplify right side
97,008,291.20x = 8,548,061,047,685,124 - Step 5: Solve for x
x = 8,548,061,047,685,124/97,008,291.20 - Step 6: Final answer
x = 88,116,808.80
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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.