Finding the Fourth Proportional to 205,127,217.70, 307,690,826.55 and 59,560,497.70
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Solution
The fourth proportional to 205,127,217.70, 307,690,826.55 and 59,560,497.70 is: 89,340,746.55
Step by Step Solution
- Step 1: Write the proportion equation
205,127,217.70 : 307,690,826.55 = 59,560,497.70 : x - Step 2: Convert to fraction form
205,127,217.70/307,690,826.55 = 59,560,497.70/x - Step 3: Cross multiply
205,127,217.70x = 307,690,826.55 × 59,560,497.70 - Step 4: Simplify right side
205,127,217.70x = 18,326,218,767,042,376 - Step 5: Solve for x
x = 18,326,218,767,042,376/205,127,217.70 - Step 6: Final answer
x = 89,340,746.55
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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.