Finding the Fourth Proportional to 134,568,324.92, 185,704,363.14 and 72,688,664
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Solution
The fourth proportional to 134,568,324.92, 185,704,363.14 and 72,688,664 is: 100,310,396.70
Step by Step Solution
- Step 1: Write the proportion equation
134,568,324.92 : 185,704,363.14 = 72,688,664 : x - Step 2: Convert to fraction form
134,568,324.92/185,704,363.14 = 72,688,664/x - Step 3: Cross multiply
134,568,324.92x = 185,704,363.14 × 72,688,664 - Step 4: Simplify right side
134,568,324.92x = 13,498,602,055,617,444 - Step 5: Solve for x
x = 13,498,602,055,617,444/134,568,324.92 - Step 6: Final answer
x = 100,310,396.70
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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.