Finding the Fourth Proportional to 190,680,856.68, 286,023,942.18 and 54,366,240.18
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Solution
The fourth proportional to 190,680,856.68, 286,023,942.18 and 54,366,240.18 is: 81,550,117.87
Step by Step Solution
- Step 1: Write the proportion equation
190,680,856.68 : 286,023,942.18 = 54,366,240.18 : x - Step 2: Convert to fraction form
190,680,856.68/286,023,942.18 = 54,366,240.18/x - Step 3: Cross multiply
190,680,856.68x = 286,023,942.18 × 54,366,240.18 - Step 4: Simplify right side
190,680,856.68x = 15,550,046,337,788,314 - Step 5: Solve for x
x = 15,550,046,337,788,314/190,680,856.68 - Step 6: Final answer
x = 81,550,117.87
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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.