Finding the Fourth Proportional to 83,708,672.40, 125,566,945.20 and 26,202,819.60
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Solution
The fourth proportional to 83,708,672.40, 125,566,945.20 and 26,202,819.60 is: 39,305,461.65
Step by Step Solution
- Step 1: Write the proportion equation
83,708,672.40 : 125,566,945.20 = 26,202,819.60 : x - Step 2: Convert to fraction form
83,708,672.40/125,566,945.20 = 26,202,819.60/x - Step 3: Cross multiply
83,708,672.40x = 125,566,945.20 × 26,202,819.60 - Step 4: Simplify right side
83,708,672.40x = 3,290,208,012,798,686 - Step 5: Solve for x
x = 3,290,208,012,798,686/83,708,672.40 - Step 6: Final answer
x = 39,305,461.65
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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.