Finding the Fourth Proportional to 201,438,233.80, 302,157,350.70 and 104,361,677.80
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Solution
The fourth proportional to 201,438,233.80, 302,157,350.70 and 104,361,677.80 is: 156,542,516.70
Step by Step Solution
- Step 1: Write the proportion equation
201,438,233.80 : 302,157,350.70 = 104,361,677.80 : x - Step 2: Convert to fraction form
201,438,233.80/302,157,350.70 = 104,361,677.80/x - Step 3: Cross multiply
201,438,233.80x = 302,157,350.70 × 104,361,677.80 - Step 4: Simplify right side
201,438,233.80x = 31,533,648,078,655,004 - Step 5: Solve for x
x = 31,533,648,078,655,004/201,438,233.80 - Step 6: Final answer
x = 156,542,516.70
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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.