Finding the Fourth Proportional to 65,283,728.19, 97,922,048.50 and 19,841,979.75
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Solution
The fourth proportional to 65,283,728.19, 97,922,048.50 and 19,841,979.75 is: 29,761,892.55
Step by Step Solution
- Step 1: Write the proportion equation
65,283,728.19 : 97,922,048.50 = 19,841,979.75 : x - Step 2: Convert to fraction form
65,283,728.19/97,922,048.50 = 19,841,979.75/x - Step 3: Cross multiply
65,283,728.19x = 97,922,048.50 × 19,841,979.75 - Step 4: Simplify right side
65,283,728.19x = 1,942,967,303,415,518 - Step 5: Solve for x
x = 1,942,967,303,415,518/65,283,728.19 - Step 6: Final answer
x = 29,761,892.55
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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.