Finding the Fourth Proportional to 134,012,201.80, 201,018,302.70 and 120,407,312.20
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Solution
The fourth proportional to 134,012,201.80, 201,018,302.70 and 120,407,312.20 is: 180,610,968.30
Step by Step Solution
- Step 1: Write the proportion equation
134,012,201.80 : 201,018,302.70 = 120,407,312.20 : x - Step 2: Convert to fraction form
134,012,201.80/201,018,302.70 = 120,407,312.20/x - Step 3: Cross multiply
134,012,201.80x = 201,018,302.70 × 120,407,312.20 - Step 4: Simplify right side
134,012,201.80x = 24,204,073,531,113,004 - Step 5: Solve for x
x = 24,204,073,531,113,004/134,012,201.80 - Step 6: Final answer
x = 180,610,968.30
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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.