Finding the Fourth Proportional to 120,862,844.20, 181,294,266.30 and 84,512,279.80
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Solution
The fourth proportional to 120,862,844.20, 181,294,266.30 and 84,512,279.80 is: 126,768,419.70
Step by Step Solution
- Step 1: Write the proportion equation
120,862,844.20 : 181,294,266.30 = 84,512,279.80 : x - Step 2: Convert to fraction form
120,862,844.20/181,294,266.30 = 84,512,279.80/x - Step 3: Cross multiply
120,862,844.20x = 181,294,266.30 × 84,512,279.80 - Step 4: Simplify right side
120,862,844.20x = 15,321,591,759,681,312 - Step 5: Solve for x
x = 15,321,591,759,681,312/120,862,844.20 - Step 6: Final answer
x = 126,768,419.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.