Finding the Fourth Proportional to 104,488,473.09, 144,190,415.21 and 57,445,203.99
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Solution
The fourth proportional to 104,488,473.09, 144,190,415.21 and 57,445,203.99 is: 79,272,359.62
Step by Step Solution
- Step 1: Write the proportion equation
104,488,473.09 : 144,190,415.21 = 57,445,203.99 : x - Step 2: Convert to fraction form
104,488,473.09/144,190,415.21 = 57,445,203.99/x - Step 3: Cross multiply
104,488,473.09x = 144,190,415.21 × 57,445,203.99 - Step 4: Simplify right side
104,488,473.09x = 8,283,047,814,854,024 - Step 5: Solve for x
x = 8,283,047,814,854,024/104,488,473.09 - Step 6: Final answer
x = 79,272,359.62
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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.