Finding the Fourth Proportional to 134,568,299.53, 185,704,328.08 and 72,688,638.70
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Solution
The fourth proportional to 134,568,299.53, 185,704,328.08 and 72,688,638.70 is: 100,310,361.77
Step by Step Solution
- Step 1: Write the proportion equation
134,568,299.53 : 185,704,328.08 = 72,688,638.70 : x - Step 2: Convert to fraction form
134,568,299.53/185,704,328.08 = 72,688,638.70/x - Step 3: Cross multiply
134,568,299.53x = 185,704,328.08 × 72,688,638.70 - Step 4: Simplify right side
134,568,299.53x = 13,498,594,808,747,866 - Step 5: Solve for x
x = 13,498,594,808,747,866/134,568,299.53 - Step 6: Final answer
x = 100,310,361.77
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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.