Finding the Fourth Proportional to 196,128,883.20, 293,745,427.20 and 115,507,315.20
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Solution
The fourth proportional to 196,128,883.20, 293,745,427.20 and 115,507,315.20 is: 172,997,189.88
Step by Step Solution
- Step 1: Write the proportion equation
196,128,883.20 : 293,745,427.20 = 115,507,315.20 : x - Step 2: Convert to fraction form
196,128,883.20/293,745,427.20 = 115,507,315.20/x - Step 3: Cross multiply
196,128,883.20x = 293,745,427.20 × 115,507,315.20 - Step 4: Simplify right side
196,128,883.20x = 33,929,745,648,149,052 - Step 5: Solve for x
x = 33,929,745,648,149,052/196,128,883.20 - Step 6: Final answer
x = 172,997,189.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.