Finding the Fourth Proportional to 51,223,441.65, 70,688,560.99 and 27,701,977.88
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Solution
The fourth proportional to 51,223,441.65, 70,688,560.99 and 27,701,977.88 is: 38,228,843.85
Step by Step Solution
- Step 1: Write the proportion equation
51,223,441.65 : 70,688,560.99 = 27,701,977.88 : x - Step 2: Convert to fraction form
51,223,441.65/70,688,560.99 = 27,701,977.88/x - Step 3: Cross multiply
51,223,441.65x = 70,688,560.99 × 27,701,977.88 - Step 4: Simplify right side
51,223,441.65x = 1,958,212,952,491,313 - Step 5: Solve for x
x = 1,958,212,952,491,313/51,223,441.65 - Step 6: Final answer
x = 38,228,843.85
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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.