Finding the Fourth Proportional to 199,417,176.41, 275,241,619.97 and 116,937,533.21
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Solution
The fourth proportional to 199,417,176.41, 275,241,619.97 and 116,937,533.21 is: 161,400,721.12
Step by Step Solution
- Step 1: Write the proportion equation
199,417,176.41 : 275,241,619.97 = 116,937,533.21 : x - Step 2: Convert to fraction form
199,417,176.41/275,241,619.97 = 116,937,533.21/x - Step 3: Cross multiply
199,417,176.41x = 275,241,619.97 × 116,937,533.21 - Step 4: Simplify right side
199,417,176.41x = 32,186,076,076,698,912 - Step 5: Solve for x
x = 32,186,076,076,698,912/199,417,176.41 - Step 6: Final answer
x = 161,400,721.12
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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.