Finding the Fourth Proportional to 207,402,154.08, 311,103,334.80 and 54,047,821.92
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Solution
The fourth proportional to 207,402,154.08, 311,103,334.80 and 54,047,821.92 is: 81,071,759.90
Step by Step Solution
- Step 1: Write the proportion equation
207,402,154.08 : 311,103,334.80 = 54,047,821.92 : x - Step 2: Convert to fraction form
207,402,154.08/311,103,334.80 = 54,047,821.92/x - Step 3: Cross multiply
207,402,154.08x = 311,103,334.80 × 54,047,821.92 - Step 4: Simplify right side
207,402,154.08x = 16,814,457,637,988,540 - Step 5: Solve for x
x = 16,814,457,637,988,540/207,402,154.08 - Step 6: Final answer
x = 81,071,759.90
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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.