Finding the Fourth Proportional to 56,134,234.80, 84,201,352.20 and 31,947,764.40
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Solution
The fourth proportional to 56,134,234.80, 84,201,352.20 and 31,947,764.40 is: 47,921,646.60
Step by Step Solution
- Step 1: Write the proportion equation
56,134,234.80 : 84,201,352.20 = 31,947,764.40 : x - Step 2: Convert to fraction form
56,134,234.80/84,201,352.20 = 31,947,764.40/x - Step 3: Cross multiply
56,134,234.80x = 84,201,352.20 × 31,947,764.40 - Step 4: Simplify right side
56,134,234.80x = 2,690,044,962,247,021.50 - Step 5: Solve for x
x = 2,690,044,962,247,021.50/56,134,234.80 - Step 6: Final answer
x = 47,921,646.60
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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.