Finding the Fourth Proportional to 210,581,709,157.94, 315,861,438,892.10 and 69,072,490,716.98
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Solution
The fourth proportional to 210,581,709,157.94, 315,861,438,892.10 and 69,072,490,716.98 is: 103,605,087,037.09
Step by Step Solution
- Step 1: Write the proportion equation
210,581,709,157.94 : 315,861,438,892.10 = 69,072,490,716.98 : x - Step 2: Convert to fraction form
210,581,709,157.94/315,861,438,892.10 = 69,072,490,716.98/x - Step 3: Cross multiply
210,581,709,157.94x = 315,861,438,892.10 × 69,072,490,716.98 - Step 4: Simplify right side
210,581,709,157.94x = 21,817,336,305,726,521,344,000 - Step 5: Solve for x
x = 21,817,336,305,726,521,344,000/210,581,709,157.94 - Step 6: Final answer
x = 103,605,087,037.09
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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.