Finding the Fourth Proportional to 143,835,695.06, 198,547,236.53 and 94,279,260.42
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Solution
The fourth proportional to 143,835,695.06, 198,547,236.53 and 94,279,260.42 is: 130,140,759.64
Step by Step Solution
- Step 1: Write the proportion equation
143,835,695.06 : 198,547,236.53 = 94,279,260.42 : x - Step 2: Convert to fraction form
143,835,695.06/198,547,236.53 = 94,279,260.42/x - Step 3: Cross multiply
143,835,695.06x = 198,547,236.53 × 94,279,260.42 - Step 4: Simplify right side
143,835,695.06x = 18,718,886,618,011,812 - Step 5: Solve for x
x = 18,718,886,618,011,812/143,835,695.06 - Step 6: Final answer
x = 130,140,759.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.