Finding the Fourth Proportional to 157,467,926.40, 236,201,889.60 and 135,548,937.60
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Solution
The fourth proportional to 157,467,926.40, 236,201,889.60 and 135,548,937.60 is: 203,323,406.40
Step by Step Solution
- Step 1: Write the proportion equation
157,467,926.40 : 236,201,889.60 = 135,548,937.60 : x - Step 2: Convert to fraction form
157,467,926.40/236,201,889.60 = 135,548,937.60/x - Step 3: Cross multiply
157,467,926.40x = 236,201,889.60 × 135,548,937.60 - Step 4: Simplify right side
157,467,926.40x = 32,016,915,194,392,488 - Step 5: Solve for x
x = 32,016,915,194,392,488/157,467,926.40 - Step 6: Final answer
x = 203,323,406.40
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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.