Finding the Fourth Proportional to 96,229,261.40, 144,343,892.10 and 65,618,259.80
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Solution
The fourth proportional to 96,229,261.40, 144,343,892.10 and 65,618,259.80 is: 98,427,389.70
Step by Step Solution
- Step 1: Write the proportion equation
96,229,261.40 : 144,343,892.10 = 65,618,259.80 : x - Step 2: Convert to fraction form
96,229,261.40/144,343,892.10 = 65,618,259.80/x - Step 3: Cross multiply
96,229,261.40x = 144,343,892.10 × 65,618,259.80 - Step 4: Simplify right side
96,229,261.40x = 9,471,595,012,360,966 - Step 5: Solve for x
x = 9,471,595,012,360,966/96,229,261.40 - Step 6: Final answer
x = 98,427,389.70
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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.