Finding the Fourth Proportional to 84,771,202.60, 127,156,803.90 and 84,771,202.60
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Solution
The fourth proportional to 84,771,202.60, 127,156,803.90 and 84,771,202.60 is: 127,156,803.90
Step by Step Solution
- Step 1: Write the proportion equation
84,771,202.60 : 127,156,803.90 = 84,771,202.60 : x - Step 2: Convert to fraction form
84,771,202.60/127,156,803.90 = 84,771,202.60/x - Step 3: Cross multiply
84,771,202.60x = 127,156,803.90 × 84,771,202.60 - Step 4: Simplify right side
84,771,202.60x = 10,779,235,185,375,370 - Step 5: Solve for x
x = 10,779,235,185,375,370/84,771,202.60 - Step 6: Final answer
x = 127,156,803.90
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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.