Finding the Fourth Proportional to 45,546,130.15, 68,264,305.40 and 20,920,074.54
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Solution
The fourth proportional to 45,546,130.15, 68,264,305.40 and 20,920,074.54 is: 31,354,900.03
Step by Step Solution
- Step 1: Write the proportion equation
45,546,130.15 : 68,264,305.40 = 20,920,074.54 : x - Step 2: Convert to fraction form
45,546,130.15/68,264,305.40 = 20,920,074.54/x - Step 3: Cross multiply
45,546,130.15x = 68,264,305.40 × 20,920,074.54 - Step 4: Simplify right side
45,546,130.15x = 1,428,094,357,441,624.75 - Step 5: Solve for x
x = 1,428,094,357,441,624.75/45,546,130.15 - Step 6: Final answer
x = 31,354,900.03
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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.