Finding the Fourth Proportional to 219,827,154.78, 303,347,676.11 and 120,707,208.14
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Solution
The fourth proportional to 219,827,154.78, 303,347,676.11 and 120,707,208.14 is: 166,568,371.02
Step by Step Solution
- Step 1: Write the proportion equation
219,827,154.78 : 303,347,676.11 = 120,707,208.14 : x - Step 2: Convert to fraction form
219,827,154.78/303,347,676.11 = 120,707,208.14/x - Step 3: Cross multiply
219,827,154.78x = 303,347,676.11 × 120,707,208.14 - Step 4: Simplify right side
219,827,154.78x = 36,616,251,076,874,808 - Step 5: Solve for x
x = 36,616,251,076,874,808/219,827,154.78 - Step 6: Final answer
x = 166,568,371.02
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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.