Finding the Fourth Proportional to 118,335,686.37, 163,300,114.49 and 66,125,151.06
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Solution
The fourth proportional to 118,335,686.37, 163,300,114.49 and 66,125,151.06 is: 91,250,957.93
Step by Step Solution
- Step 1: Write the proportion equation
118,335,686.37 : 163,300,114.49 = 66,125,151.06 : x - Step 2: Convert to fraction form
118,335,686.37/163,300,114.49 = 66,125,151.06/x - Step 3: Cross multiply
118,335,686.37x = 163,300,114.49 × 66,125,151.06 - Step 4: Simplify right side
118,335,686.37x = 10,798,244,738,435,920 - Step 5: Solve for x
x = 10,798,244,738,435,920/118,335,686.37 - Step 6: Final answer
x = 91,250,957.93
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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.