Finding the Fourth Proportional to 201,734,090.80, 302,601,136.20 and 120,104,753.20
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Solution
The fourth proportional to 201,734,090.80, 302,601,136.20 and 120,104,753.20 is: 180,157,129.80
Step by Step Solution
- Step 1: Write the proportion equation
201,734,090.80 : 302,601,136.20 = 120,104,753.20 : x - Step 2: Convert to fraction form
201,734,090.80/302,601,136.20 = 120,104,753.20/x - Step 3: Cross multiply
201,734,090.80x = 302,601,136.20 × 120,104,753.20 - Step 4: Simplify right side
201,734,090.80x = 36,343,834,781,340,584 - Step 5: Solve for x
x = 36,343,834,781,340,584/201,734,090.80 - Step 6: Final answer
x = 180,157,129.80
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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.