Finding the Fourth Proportional to 132,340,745.36, 198,329,512.70 and 83,731,581.23
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Solution
The fourth proportional to 132,340,745.36, 198,329,512.70 and 83,731,581.23 is: 125,482,470.70
Step by Step Solution
- Step 1: Write the proportion equation
132,340,745.36 : 198,329,512.70 = 83,731,581.23 : x - Step 2: Convert to fraction form
132,340,745.36/198,329,512.70 = 83,731,581.23/x - Step 3: Cross multiply
132,340,745.36x = 198,329,512.70 × 83,731,581.23 - Step 4: Simplify right side
132,340,745.36x = 16,606,443,702,164,046 - Step 5: Solve for x
x = 16,606,443,702,164,046/132,340,745.36 - Step 6: Final answer
x = 125,482,470.70
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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.