Finding the Fourth Proportional to 149,420,535.87, 224,198,904.83 and 76,688,392.17
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Solution
The fourth proportional to 149,420,535.87, 224,198,904.83 and 76,688,392.17 is: 115,067,540.33
Step by Step Solution
- Step 1: Write the proportion equation
149,420,535.87 : 224,198,904.83 = 76,688,392.17 : x - Step 2: Convert to fraction form
149,420,535.87/224,198,904.83 = 76,688,392.17/x - Step 3: Cross multiply
149,420,535.87x = 224,198,904.83 × 76,688,392.17 - Step 4: Simplify right side
149,420,535.87x = 17,193,453,537,687,548 - Step 5: Solve for x
x = 17,193,453,537,687,548/149,420,535.87 - Step 6: Final answer
x = 115,067,540.33
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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.