Finding the Fourth Proportional to 157,464,843.60, 236,197,265.40 and 135,923,768.40
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Solution
The fourth proportional to 157,464,843.60, 236,197,265.40 and 135,923,768.40 is: 203,885,652.60
Step by Step Solution
- Step 1: Write the proportion equation
157,464,843.60 : 236,197,265.40 = 135,923,768.40 : x - Step 2: Convert to fraction form
157,464,843.60/236,197,265.40 = 135,923,768.40/x - Step 3: Cross multiply
157,464,843.60x = 236,197,265.40 × 135,923,768.40 - Step 4: Simplify right side
157,464,843.60x = 32,104,822,398,942,936 - Step 5: Solve for x
x = 32,104,822,398,942,936/157,464,843.60 - Step 6: Final answer
x = 203,885,652.60
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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.