Finding the Fourth Proportional to 64,985,795,125.44, 89,642,402,723.36 and 40,861,623,487.20
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Solution
The fourth proportional to 64,985,795,125.44, 89,642,402,723.36 and 40,861,623,487.20 is: 56,365,150,283.99
Step by Step Solution
- Step 1: Write the proportion equation
64,985,795,125.44 : 89,642,402,723.36 = 40,861,623,487.20 : x - Step 2: Convert to fraction form
64,985,795,125.44/89,642,402,723.36 = 40,861,623,487.20/x - Step 3: Cross multiply
64,985,795,125.44x = 89,642,402,723.36 × 40,861,623,487.20 - Step 4: Simplify right side
64,985,795,125.44x = 3,662,934,108,569,887,834,112 - Step 5: Solve for x
x = 3,662,934,108,569,887,834,112/64,985,795,125.44 - Step 6: Final answer
x = 56,365,150,283.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.