Finding the Fourth Proportional to 61,770,758.10, 85,208,230.17 and 38,525,528.58
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Solution
The fourth proportional to 61,770,758.10, 85,208,230.17 and 38,525,528.58 is: 53,143,140.99
Step by Step Solution
- Step 1: Write the proportion equation
61,770,758.10 : 85,208,230.17 = 38,525,528.58 : x - Step 2: Convert to fraction form
61,770,758.10/85,208,230.17 = 38,525,528.58/x - Step 3: Cross multiply
61,770,758.10x = 85,208,230.17 × 38,525,528.58 - Step 4: Simplify right side
61,770,758.10x = 3,282,692,106,665,553 - Step 5: Solve for x
x = 3,282,692,106,665,553/61,770,758.10 - Step 6: Final answer
x = 53,143,140.99
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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.