Finding the Fourth Proportional to 134,568,244.74, 185,704,252.38 and 72,688,583.64
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Solution
The fourth proportional to 134,568,244.74, 185,704,252.38 and 72,688,583.64 is: 100,310,285.74
Step by Step Solution
- Step 1: Write the proportion equation
134,568,244.74 : 185,704,252.38 = 72,688,583.64 : x - Step 2: Convert to fraction form
134,568,244.74/185,704,252.38 = 72,688,583.64/x - Step 3: Cross multiply
134,568,244.74x = 185,704,252.38 × 72,688,583.64 - Step 4: Simplify right side
134,568,244.74x = 13,498,579,081,427,298 - Step 5: Solve for x
x = 13,498,579,081,427,298/134,568,244.74 - Step 6: Final answer
x = 100,310,285.74
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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.