Finding the Fourth Proportional to 65,283,724.94, 97,922,043.63 and 19,841,976.50
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Solution
The fourth proportional to 65,283,724.94, 97,922,043.63 and 19,841,976.50 is: 29,761,887.67
Step by Step Solution
- Step 1: Write the proportion equation
65,283,724.94 : 97,922,043.63 = 19,841,976.50 : x - Step 2: Convert to fraction form
65,283,724.94/97,922,043.63 = 19,841,976.50/x - Step 3: Cross multiply
65,283,724.94x = 97,922,043.63 × 19,841,976.50 - Step 4: Simplify right side
65,283,724.94x = 1,942,966,888,048,824.50 - Step 5: Solve for x
x = 1,942,966,888,048,824.50/65,283,724.94 - Step 6: Final answer
x = 29,761,887.67
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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.