Finding the Fourth Proportional to 97,027,259.20, 145,540,888.80 and 48,512,600.80
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Solution
The fourth proportional to 97,027,259.20, 145,540,888.80 and 48,512,600.80 is: 72,768,901.20
Step by Step Solution
- Step 1: Write the proportion equation
97,027,259.20 : 145,540,888.80 = 48,512,600.80 : x - Step 2: Convert to fraction form
97,027,259.20/145,540,888.80 = 48,512,600.80/x - Step 3: Cross multiply
97,027,259.20x = 145,540,888.80 × 48,512,600.80 - Step 4: Simplify right side
97,027,259.20x = 7,060,567,038,431,591 - Step 5: Solve for x
x = 7,060,567,038,431,591/97,027,259.20 - Step 6: Final answer
x = 72,768,901.20
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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.