Finding the Fourth Proportional to 134,389,993.60, 201,622,315.20 and 57,749,737.60
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Solution
The fourth proportional to 134,389,993.60, 201,622,315.20 and 57,749,737.60 is: 86,640,645.52
Step by Step Solution
- Step 1: Write the proportion equation
134,389,993.60 : 201,622,315.20 = 57,749,737.60 : x - Step 2: Convert to fraction form
134,389,993.60/201,622,315.20 = 57,749,737.60/x - Step 3: Cross multiply
134,389,993.60x = 201,622,315.20 × 57,749,737.60 - Step 4: Simplify right side
134,389,993.60x = 11,643,635,797,104,492 - Step 5: Solve for x
x = 11,643,635,797,104,492/134,389,993.60 - Step 6: Final answer
x = 86,640,645.52
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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.