Finding the Fourth Proportional to 101,656,199.26, 140,286,431.82 and 55,246,462.75
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Solution
The fourth proportional to 101,656,199.26, 140,286,431.82 and 55,246,462.75 is: 76,240,595.13
Step by Step Solution
- Step 1: Write the proportion equation
101,656,199.26 : 140,286,431.82 = 55,246,462.75 : x - Step 2: Convert to fraction form
101,656,199.26/140,286,431.82 = 55,246,462.75/x - Step 3: Cross multiply
101,656,199.26x = 140,286,431.82 × 55,246,462.75 - Step 4: Simplify right side
101,656,199.26x = 7,750,329,129,874,044 - Step 5: Solve for x
x = 7,750,329,129,874,044/101,656,199.26 - Step 6: Final answer
x = 76,240,595.13
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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.