Finding the Fourth Proportional to 122,912,135.60, 184,368,203.40 and 84,170,086.70
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Solution
The fourth proportional to 122,912,135.60, 184,368,203.40 and 84,170,086.70 is: 126,255,130.05
Step by Step Solution
- Step 1: Write the proportion equation
122,912,135.60 : 184,368,203.40 = 84,170,086.70 : x - Step 2: Convert to fraction form
122,912,135.60/184,368,203.40 = 84,170,086.70/x - Step 3: Cross multiply
122,912,135.60x = 184,368,203.40 × 84,170,086.70 - Step 4: Simplify right side
122,912,135.60x = 15,518,287,664,901,236 - Step 5: Solve for x
x = 15,518,287,664,901,236/122,912,135.60 - Step 6: Final answer
x = 126,255,130.05
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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.