Finding the Fourth Proportional to 135,242,595.60, 202,863,893.40 and 92,195,874.60
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Solution
The fourth proportional to 135,242,595.60, 202,863,893.40 and 92,195,874.60 is: 138,293,811.90
Step by Step Solution
- Step 1: Write the proportion equation
135,242,595.60 : 202,863,893.40 = 92,195,874.60 : x - Step 2: Convert to fraction form
135,242,595.60/202,863,893.40 = 92,195,874.60/x - Step 3: Cross multiply
135,242,595.60x = 202,863,893.40 × 92,195,874.60 - Step 4: Simplify right side
135,242,595.60x = 18,703,214,076,774,168 - Step 5: Solve for x
x = 18,703,214,076,774,168/135,242,595.60 - Step 6: Final answer
x = 138,293,811.90
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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.