Finding the Fourth Proportional to 45,546,134.97, 68,264,312.62 and 20,920,079.36
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Solution
The fourth proportional to 45,546,134.97, 68,264,312.62 and 20,920,079.36 is: 31,354,907.25
Step by Step Solution
- Step 1: Write the proportion equation
45,546,134.97 : 68,264,312.62 = 20,920,079.36 : x - Step 2: Convert to fraction form
45,546,134.97/68,264,312.62 = 20,920,079.36/x - Step 3: Cross multiply
45,546,134.97x = 68,264,312.62 × 20,920,079.36 - Step 4: Simplify right side
45,546,134.97x = 1,428,094,837,466,249.50 - Step 5: Solve for x
x = 1,428,094,837,466,249.50/45,546,134.97 - Step 6: Final answer
x = 31,354,907.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.