Finding the Fourth Proportional to 134,747,968.20, 201,744,038.70 and 130,968,832.20
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Solution
The fourth proportional to 134,747,968.20, 201,744,038.70 and 130,968,832.20 is: 196,085,933.65
Step by Step Solution
- Step 1: Write the proportion equation
134,747,968.20 : 201,744,038.70 = 130,968,832.20 : x - Step 2: Convert to fraction form
134,747,968.20/201,744,038.70 = 130,968,832.20/x - Step 3: Cross multiply
134,747,968.20x = 201,744,038.70 × 130,968,832.20 - Step 4: Simplify right side
134,747,968.20x = 26,422,181,151,850,604 - Step 5: Solve for x
x = 26,422,181,151,850,604/134,747,968.20 - Step 6: Final answer
x = 196,085,933.65
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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.