Finding the Fourth Proportional to 150,063,571.36, 207,109,477.55 and 86,471,538.63
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Solution
The fourth proportional to 150,063,571.36, 207,109,477.55 and 86,471,538.63 is: 119,343,255.84
Step by Step Solution
- Step 1: Write the proportion equation
150,063,571.36 : 207,109,477.55 = 86,471,538.63 : x - Step 2: Convert to fraction form
150,063,571.36/207,109,477.55 = 86,471,538.63/x - Step 3: Cross multiply
150,063,571.36x = 207,109,477.55 × 86,471,538.63 - Step 4: Simplify right side
150,063,571.36x = 17,909,075,188,171,582 - Step 5: Solve for x
x = 17,909,075,188,171,582/150,063,571.36 - Step 6: Final answer
x = 119,343,255.84
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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.