Finding the Fourth Proportional to 199,417,178.38, 275,241,622.69 and 116,937,535.18
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Solution
The fourth proportional to 199,417,178.38, 275,241,622.69 and 116,937,535.18 is: 161,400,723.84
Step by Step Solution
- Step 1: Write the proportion equation
199,417,178.38 : 275,241,622.69 = 116,937,535.18 : x - Step 2: Convert to fraction form
199,417,178.38/275,241,622.69 = 116,937,535.18/x - Step 3: Cross multiply
199,417,178.38x = 275,241,622.69 × 116,937,535.18 - Step 4: Simplify right side
199,417,178.38x = 32,186,076,936,312,164 - Step 5: Solve for x
x = 32,186,076,936,312,164/199,417,178.38 - Step 6: Final answer
x = 161,400,723.84
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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.