Finding the Fourth Proportional to 57,704,717.17, 79,630,117.98 and 31,598,785.21
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Solution
The fourth proportional to 57,704,717.17, 79,630,117.98 and 31,598,785.21 is: 43,605,013.90
Step by Step Solution
- Step 1: Write the proportion equation
57,704,717.17 : 79,630,117.98 = 31,598,785.21 : x - Step 2: Convert to fraction form
57,704,717.17/79,630,117.98 = 31,598,785.21/x - Step 3: Cross multiply
57,704,717.17x = 79,630,117.98 × 31,598,785.21 - Step 4: Simplify right side
57,704,717.17x = 2,516,214,994,128,714.50 - Step 5: Solve for x
x = 2,516,214,994,128,714.50/57,704,717.17 - Step 6: Final answer
x = 43,605,013.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.