Finding the Fourth Proportional to 55,308,029.84, 76,313,686.12 and 31,782,022.48
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Solution
The fourth proportional to 55,308,029.84, 76,313,686.12 and 31,782,022.48 is: 43,852,643.00
Step by Step Solution
- Step 1: Write the proportion equation
55,308,029.84 : 76,313,686.12 = 31,782,022.48 : x - Step 2: Convert to fraction form
55,308,029.84/76,313,686.12 = 31,782,022.48/x - Step 3: Cross multiply
55,308,029.84x = 76,313,686.12 × 31,782,022.48 - Step 4: Simplify right side
55,308,029.84x = 2,425,403,287,797,504 - Step 5: Solve for x
x = 2,425,403,287,797,504/55,308,029.84 - Step 6: Final answer
x = 43,852,643.00
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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.