Finding the Fourth Proportional to 56,667,490.70, 84,859,518.45 and 45,330,082.70
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Solution
The fourth proportional to 56,667,490.70, 84,859,518.45 and 45,330,082.70 is: 67,881,759.75
Step by Step Solution
- Step 1: Write the proportion equation
56,667,490.70 : 84,859,518.45 = 45,330,082.70 : x - Step 2: Convert to fraction form
56,667,490.70/84,859,518.45 = 45,330,082.70/x - Step 3: Cross multiply
56,667,490.70x = 84,859,518.45 × 45,330,082.70 - Step 4: Simplify right side
56,667,490.70x = 3,846,688,989,220,676 - Step 5: Solve for x
x = 3,846,688,989,220,676/56,667,490.70 - Step 6: Final answer
x = 67,881,759.75
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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.