Finding the Fourth Proportional to 83,765,647.70, 125,660,281.35 and 26,251,921.70
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Solution
The fourth proportional to 83,765,647.70, 125,660,281.35 and 26,251,921.70 is: 39,381,583.71
Step by Step Solution
- Step 1: Write the proportion equation
83,765,647.70 : 125,660,281.35 = 26,251,921.70 : x - Step 2: Convert to fraction form
83,765,647.70/125,660,281.35 = 26,251,921.70/x - Step 3: Cross multiply
83,765,647.70x = 125,660,281.35 × 26,251,921.70 - Step 4: Simplify right side
83,765,647.70x = 3,298,823,866,800,170 - Step 5: Solve for x
x = 3,298,823,866,800,170/83,765,647.70 - Step 6: Final answer
x = 39,381,583.71
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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.