Finding the Fourth Proportional to 65,419,023.60, 98,128,535.40 and 22,336,873.20
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Solution
The fourth proportional to 65,419,023.60, 98,128,535.40 and 22,336,873.20 is: 33,505,309.80
Step by Step Solution
- Step 1: Write the proportion equation
65,419,023.60 : 98,128,535.40 = 22,336,873.20 : x - Step 2: Convert to fraction form
65,419,023.60/98,128,535.40 = 22,336,873.20/x - Step 3: Cross multiply
65,419,023.60x = 98,128,535.40 × 22,336,873.20 - Step 4: Simplify right side
65,419,023.60x = 2,191,884,652,531,511.25 - Step 5: Solve for x
x = 2,191,884,652,531,511.25/65,419,023.60 - Step 6: Final answer
x = 33,505,309.80
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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.