Finding the Fourth Proportional to 162,301,343.40, 243,474,755.58 and 53,135,058.60
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Solution
The fourth proportional to 162,301,343.40, 243,474,755.58 and 53,135,058.60 is: 79,710,032.80
Step by Step Solution
- Step 1: Write the proportion equation
162,301,343.40 : 243,474,755.58 = 53,135,058.60 : x - Step 2: Convert to fraction form
162,301,343.40/243,474,755.58 = 53,135,058.60/x - Step 3: Cross multiply
162,301,343.40x = 243,474,755.58 × 53,135,058.60 - Step 4: Simplify right side
162,301,343.40x = 12,937,045,405,363,978 - Step 5: Solve for x
x = 12,937,045,405,363,978/162,301,343.40 - Step 6: Final answer
x = 79,710,032.80
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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.