Finding the Fourth Proportional to 122,912,140.10, 184,368,210.15 and 84,170,091.20
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Solution
The fourth proportional to 122,912,140.10, 184,368,210.15 and 84,170,091.20 is: 126,255,136.80
Step by Step Solution
- Step 1: Write the proportion equation
122,912,140.10 : 184,368,210.15 = 84,170,091.20 : x - Step 2: Convert to fraction form
122,912,140.10/184,368,210.15 = 84,170,091.20/x - Step 3: Cross multiply
122,912,140.10x = 184,368,210.15 × 84,170,091.20 - Step 4: Simplify right side
122,912,140.10x = 15,518,289,062,706,266 - Step 5: Solve for x
x = 15,518,289,062,706,266/122,912,140.10 - Step 6: Final answer
x = 126,255,136.80
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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.