Finding the Fourth Proportional to 134,239,096.80, 201,358,645.20 and 112,698,021.60
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Solution
The fourth proportional to 134,239,096.80, 201,358,645.20 and 112,698,021.60 is: 169,047,032.40
Step by Step Solution
- Step 1: Write the proportion equation
134,239,096.80 : 201,358,645.20 = 112,698,021.60 : x - Step 2: Convert to fraction form
134,239,096.80/201,358,645.20 = 112,698,021.60/x - Step 3: Cross multiply
134,239,096.80x = 201,358,645.20 × 112,698,021.60 - Step 4: Simplify right side
134,239,096.80x = 22,692,720,946,096,332 - Step 5: Solve for x
x = 22,692,720,946,096,332/134,239,096.80 - Step 6: Final answer
x = 169,047,032.40
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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.