Finding the Fourth Proportional to 210,581,709,156.44, 315,861,438,889.84 and 69,072,490,715.48
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Solution
The fourth proportional to 210,581,709,156.44, 315,861,438,889.84 and 69,072,490,715.48 is: 103,605,087,034.83
Step by Step Solution
- Step 1: Write the proportion equation
210,581,709,156.44 : 315,861,438,889.84 = 69,072,490,715.48 : x - Step 2: Convert to fraction form
210,581,709,156.44/315,861,438,889.84 = 69,072,490,715.48/x - Step 3: Cross multiply
210,581,709,156.44x = 315,861,438,889.84 × 69,072,490,715.48 - Step 4: Simplify right side
210,581,709,156.44x = 21,817,336,305,096,629,157,888 - Step 5: Solve for x
x = 21,817,336,305,096,629,157,888/210,581,709,156.44 - Step 6: Final answer
x = 103,605,087,034.83
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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.