Finding the Fourth Proportional to 135,621,811.50, 203,432,921.37 and 62,798,910.54
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Solution
The fourth proportional to 135,621,811.50, 203,432,921.37 and 62,798,910.54 is: 94,198,460.33
Step by Step Solution
- Step 1: Write the proportion equation
135,621,811.50 : 203,432,921.37 = 62,798,910.54 : x - Step 2: Convert to fraction form
135,621,811.50/203,432,921.37 = 62,798,910.54/x - Step 3: Cross multiply
135,621,811.50x = 203,432,921.37 × 62,798,910.54 - Step 4: Simplify right side
135,621,811.50x = 12,775,365,830,005,484 - Step 5: Solve for x
x = 12,775,365,830,005,484/135,621,811.50 - Step 6: Final answer
x = 94,198,460.33
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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.