Finding the Fourth Proportional to 113,454,471.39, 156,563,037.20 and 63,216,094.21
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Solution
The fourth proportional to 113,454,471.39, 156,563,037.20 and 63,216,094.21 is: 87,235,906.95
Step by Step Solution
- Step 1: Write the proportion equation
113,454,471.39 : 156,563,037.20 = 63,216,094.21 : x - Step 2: Convert to fraction form
113,454,471.39/156,563,037.20 = 63,216,094.21/x - Step 3: Cross multiply
113,454,471.39x = 156,563,037.20 × 63,216,094.21 - Step 4: Simplify right side
113,454,471.39x = 9,897,303,709,205,566 - Step 5: Solve for x
x = 9,897,303,709,205,566/113,454,471.39 - Step 6: Final answer
x = 87,235,906.95
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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.