Finding the Fourth Proportional to 135,013,886.10, 202,520,829.15 and 129,345,182.10
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Solution
The fourth proportional to 135,013,886.10, 202,520,829.15 and 129,345,182.10 is: 194,017,773.15
Step by Step Solution
- Step 1: Write the proportion equation
135,013,886.10 : 202,520,829.15 = 129,345,182.10 : x - Step 2: Convert to fraction form
135,013,886.10/202,520,829.15 = 129,345,182.10/x - Step 3: Cross multiply
135,013,886.10x = 202,520,829.15 × 129,345,182.10 - Step 4: Simplify right side
135,013,886.10x = 26,195,093,525,449,736 - Step 5: Solve for x
x = 26,195,093,525,449,736/135,013,886.10 - Step 6: Final answer
x = 194,017,773.15
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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.