Finding the Fourth Proportional to 98,430,441.36, 147,517,241.39 and 71,228,360.40
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Solution
The fourth proportional to 98,430,441.36, 147,517,241.39 and 71,228,360.40 is: 106,749,610.08
Step by Step Solution
- Step 1: Write the proportion equation
98,430,441.36 : 147,517,241.39 = 71,228,360.40 : x - Step 2: Convert to fraction form
98,430,441.36/147,517,241.39 = 71,228,360.40/x - Step 3: Cross multiply
98,430,441.36x = 147,517,241.39 × 71,228,360.40 - Step 4: Simplify right side
98,430,441.36x = 10,507,411,234,940,716 - Step 5: Solve for x
x = 10,507,411,234,940,716/98,430,441.36 - Step 6: Final answer
x = 106,749,610.08
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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.