Finding the Fourth Proportional to 70,860,149.80, 106,290,224.70 and 53,728,066.60
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Solution
The fourth proportional to 70,860,149.80, 106,290,224.70 and 53,728,066.60 is: 80,592,099.90
Step by Step Solution
- Step 1: Write the proportion equation
70,860,149.80 : 106,290,224.70 = 53,728,066.60 : x - Step 2: Convert to fraction form
70,860,149.80/106,290,224.70 = 53,728,066.60/x - Step 3: Cross multiply
70,860,149.80x = 106,290,224.70 × 53,728,066.60 - Step 4: Simplify right side
70,860,149.80x = 5,710,768,271,610,565 - Step 5: Solve for x
x = 5,710,768,271,610,565/70,860,149.80 - Step 6: Final answer
x = 80,592,099.90
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1.5x scale
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.