Finding the Fourth Proportional to 98,122,575.70, 147,183,863.55 and 59,764,345.30
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Solution
The fourth proportional to 98,122,575.70, 147,183,863.55 and 59,764,345.30 is: 89,646,517.95
Step by Step Solution
- Step 1: Write the proportion equation
98,122,575.70 : 147,183,863.55 = 59,764,345.30 : x - Step 2: Convert to fraction form
98,122,575.70/147,183,863.55 = 59,764,345.30/x - Step 3: Cross multiply
98,122,575.70x = 147,183,863.55 × 59,764,345.30 - Step 4: Simplify right side
98,122,575.70x = 8,796,347,243,790,284 - Step 5: Solve for x
x = 8,796,347,243,790,284/98,122,575.70 - Step 6: Final answer
x = 89,646,517.95
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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.