Finding the Fourth Proportional to 75,860,858.79, 113,791,583.43 and 18,353,037.69
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Solution
The fourth proportional to 75,860,858.79, 113,791,583.43 and 18,353,037.69 is: 27,529,627.96
Step by Step Solution
- Step 1: Write the proportion equation
75,860,858.79 : 113,791,583.43 = 18,353,037.69 : x - Step 2: Convert to fraction form
75,860,858.79/113,791,583.43 = 18,353,037.69/x - Step 3: Cross multiply
75,860,858.79x = 113,791,583.43 × 18,353,037.69 - Step 4: Simplify right side
75,860,858.79x = 2,088,421,219,495,569.75 - Step 5: Solve for x
x = 2,088,421,219,495,569.75/75,860,858.79 - Step 6: Final answer
x = 27,529,627.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.