Finding the Fourth Proportional to 315,420,610.60, 473,130,915.90 and 110,922,113.80
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Solution
The fourth proportional to 315,420,610.60, 473,130,915.90 and 110,922,113.80 is: 166,383,170.70
Step by Step Solution
- Step 1: Write the proportion equation
315,420,610.60 : 473,130,915.90 = 110,922,113.80 : x - Step 2: Convert to fraction form
315,420,610.60/473,130,915.90 = 110,922,113.80/x - Step 3: Cross multiply
315,420,610.60x = 473,130,915.90 × 110,922,113.80 - Step 4: Simplify right side
315,420,610.60x = 52,480,681,295,758,024 - Step 5: Solve for x
x = 52,480,681,295,758,024/315,420,610.60 - Step 6: Final answer
x = 166,383,170.70
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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.