Finding the Fourth Proportional to 134,788,883.60, 202,183,325.40 and 129,498,093.20
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Solution
The fourth proportional to 134,788,883.60, 202,183,325.40 and 129,498,093.20 is: 194,247,139.80
Step by Step Solution
- Step 1: Write the proportion equation
134,788,883.60 : 202,183,325.40 = 129,498,093.20 : x - Step 2: Convert to fraction form
134,788,883.60/202,183,325.40 = 129,498,093.20/x - Step 3: Cross multiply
134,788,883.60x = 202,183,325.40 × 129,498,093.20 - Step 4: Simplify right side
134,788,883.60x = 26,182,355,116,135,128 - Step 5: Solve for x
x = 26,182,355,116,135,128/134,788,883.60 - Step 6: Final answer
x = 194,247,139.80
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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.