Finding the Fourth Proportional to 212,183,043.18, 318,274,579.36 and 58,829,103.87
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Solution
The fourth proportional to 212,183,043.18, 318,274,579.36 and 58,829,103.87 is: 88,243,659.85
Step by Step Solution
- Step 1: Write the proportion equation
212,183,043.18 : 318,274,579.36 = 58,829,103.87 : x - Step 2: Convert to fraction form
212,183,043.18/318,274,579.36 = 58,829,103.87/x - Step 3: Cross multiply
212,183,043.18x = 318,274,579.36 × 58,829,103.87 - Step 4: Simplify right side
212,183,043.18x = 18,723,808,287,230,004 - Step 5: Solve for x
x = 18,723,808,287,230,004/212,183,043.18 - Step 6: Final answer
x = 88,243,659.85
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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.