Finding the Fourth Proportional to 65,775,858.21, 98,677,403.19 and 19,715,866.74
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Solution
The fourth proportional to 65,775,858.21, 98,677,403.19 and 19,715,866.74 is: 29,577,881.38
Step by Step Solution
- Step 1: Write the proportion equation
65,775,858.21 : 98,677,403.19 = 19,715,866.74 : x - Step 2: Convert to fraction form
65,775,858.21/98,677,403.19 = 19,715,866.74/x - Step 3: Cross multiply
65,775,858.21x = 98,677,403.19 × 19,715,866.74 - Step 4: Simplify right side
65,775,858.21x = 1,945,510,531,543,290.75 - Step 5: Solve for x
x = 1,945,510,531,543,290.75/65,775,858.21 - Step 6: Final answer
x = 29,577,881.38
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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.