Finding the Fourth Proportional to 192,220,304.04, 265,190,804.55 and 142,104,858.84
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Solution
The fourth proportional to 192,220,304.04, 265,190,804.55 and 142,104,858.84 is: 196,050,578.71
Step by Step Solution
- Step 1: Write the proportion equation
192,220,304.04 : 265,190,804.55 = 142,104,858.84 : x - Step 2: Convert to fraction form
192,220,304.04/265,190,804.55 = 142,104,858.84/x - Step 3: Cross multiply
192,220,304.04x = 265,190,804.55 × 142,104,858.84 - Step 4: Simplify right side
192,220,304.04x = 37,684,901,846,243,784 - Step 5: Solve for x
x = 37,684,901,846,243,784/192,220,304.04 - Step 6: Final answer
x = 196,050,578.71
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1.5x scale
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.