Finding the Fourth Proportional to 134,313,869.20, 201,421,037.40 and 43,440,422.80
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Solution
The fourth proportional to 134,313,869.20, 201,421,037.40 and 43,440,422.80 is: 65,144,538.52
Step by Step Solution
- Step 1: Write the proportion equation
134,313,869.20 : 201,421,037.40 = 43,440,422.80 : x - Step 2: Convert to fraction form
134,313,869.20/201,421,037.40 = 43,440,422.80/x - Step 3: Cross multiply
134,313,869.20x = 201,421,037.40 × 43,440,422.80 - Step 4: Simplify right side
134,313,869.20x = 8,749,815,025,470,612 - Step 5: Solve for x
x = 8,749,815,025,470,612/134,313,869.20 - Step 6: Final answer
x = 65,144,538.52
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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.