Finding the Fourth Proportional to 162,472,563.36, 243,699,874.43 and 118,798,077.68
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Solution
The fourth proportional to 162,472,563.36, 243,699,874.43 and 118,798,077.68 is: 178,190,557.30
Step by Step Solution
- Step 1: Write the proportion equation
162,472,563.36 : 243,699,874.43 = 118,798,077.68 : x - Step 2: Convert to fraction form
162,472,563.36/243,699,874.43 = 118,798,077.68/x - Step 3: Cross multiply
162,472,563.36x = 243,699,874.43 × 118,798,077.68 - Step 4: Simplify right side
162,472,563.36x = 28,951,076,611,328,896 - Step 5: Solve for x
x = 28,951,076,611,328,896/162,472,563.36 - Step 6: Final answer
x = 178,190,557.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.