Finding the Fourth Proportional to 202,079,603.60, 303,119,405.40 and 87,193,869.20
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Solution
The fourth proportional to 202,079,603.60, 303,119,405.40 and 87,193,869.20 is: 130,790,803.80
Step by Step Solution
- Step 1: Write the proportion equation
202,079,603.60 : 303,119,405.40 = 87,193,869.20 : x - Step 2: Convert to fraction form
202,079,603.60/303,119,405.40 = 87,193,869.20/x - Step 3: Cross multiply
202,079,603.60x = 303,119,405.40 × 87,193,869.20 - Step 4: Simplify right side
202,079,603.60x = 26,430,153,786,429,372 - Step 5: Solve for x
x = 26,430,153,786,429,372/202,079,603.60 - Step 6: Final answer
x = 130,790,803.80
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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.