Finding the Fourth Proportional to 134,465,410.80, 201,698,116.20 and 122,986,285.20
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Solution
The fourth proportional to 134,465,410.80, 201,698,116.20 and 122,986,285.20 is: 184,479,427.80
Step by Step Solution
- Step 1: Write the proportion equation
134,465,410.80 : 201,698,116.20 = 122,986,285.20 : x - Step 2: Convert to fraction form
134,465,410.80/201,698,116.20 = 122,986,285.20/x - Step 3: Cross multiply
134,465,410.80x = 201,698,116.20 × 122,986,285.20 - Step 4: Simplify right side
134,465,410.80x = 24,806,102,043,275,940 - Step 5: Solve for x
x = 24,806,102,043,275,940/134,465,410.80 - Step 6: Final answer
x = 184,479,427.80
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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.