Finding the Fourth Proportional to 45,546,132.97, 68,264,309.62 and 20,920,077.36
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Solution
The fourth proportional to 45,546,132.97, 68,264,309.62 and 20,920,077.36 is: 31,354,904.25
Step by Step Solution
- Step 1: Write the proportion equation
45,546,132.97 : 68,264,309.62 = 20,920,077.36 : x - Step 2: Convert to fraction form
45,546,132.97/68,264,309.62 = 20,920,077.36/x - Step 3: Cross multiply
45,546,132.97x = 68,264,309.62 × 20,920,077.36 - Step 4: Simplify right side
45,546,132.97x = 1,428,094,638,177,392.25 - Step 5: Solve for x
x = 1,428,094,638,177,392.25/45,546,132.97 - Step 6: Final answer
x = 31,354,904.25
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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.