Finding the Fourth Proportional to 212,276,826.36, 318,417,022.68 and 58,934,840.76
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Solution
The fourth proportional to 212,276,826.36, 318,417,022.68 and 58,934,840.76 is: 88,402,756.20
Step by Step Solution
- Step 1: Write the proportion equation
212,276,826.36 : 318,417,022.68 = 58,934,840.76 : x - Step 2: Convert to fraction form
212,276,826.36/318,417,022.68 = 58,934,840.76/x - Step 3: Cross multiply
212,276,826.36x = 318,417,022.68 × 58,934,840.76 - Step 4: Simplify right side
212,276,826.36x = 18,765,856,526,919,108 - Step 5: Solve for x
x = 18,765,856,526,919,108/212,276,826.36 - Step 6: Final answer
x = 88,402,756.20
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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.