Finding the Fourth Proportional to 153,986,676.48, 230,904,431.68 and 76,173,675.84
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Solution
The fourth proportional to 153,986,676.48, 230,904,431.68 and 76,173,675.84 is: 114,223,124.56
Step by Step Solution
- Step 1: Write the proportion equation
153,986,676.48 : 230,904,431.68 = 76,173,675.84 : x - Step 2: Convert to fraction form
153,986,676.48/230,904,431.68 = 76,173,675.84/x - Step 3: Cross multiply
153,986,676.48x = 230,904,431.68 × 76,173,675.84 - Step 4: Simplify right side
153,986,676.48x = 17,588,839,328,811,748 - Step 5: Solve for x
x = 17,588,839,328,811,748/153,986,676.48 - Step 6: Final answer
x = 114,223,124.56
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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.