Finding the Fourth Proportional to 83,088,118.10, 124,632,177.15 and 68,932,342.10
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Solution
The fourth proportional to 83,088,118.10, 124,632,177.15 and 68,932,342.10 is: 103,398,513.15
Step by Step Solution
- Step 1: Write the proportion equation
83,088,118.10 : 124,632,177.15 = 68,932,342.10 : x - Step 2: Convert to fraction form
83,088,118.10/124,632,177.15 = 68,932,342.10/x - Step 3: Cross multiply
83,088,118.10x = 124,632,177.15 × 68,932,342.10 - Step 4: Simplify right side
83,088,118.10x = 8,591,187,871,971,603 - Step 5: Solve for x
x = 8,591,187,871,971,603/83,088,118.10 - Step 6: Final answer
x = 103,398,513.15
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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.