Finding the Fourth Proportional to 134,793,076.90, 202,189,615.35 and 66,768,628.90
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Solution
The fourth proportional to 134,793,076.90, 202,189,615.35 and 66,768,628.90 is: 100,152,943.35
Step by Step Solution
- Step 1: Write the proportion equation
134,793,076.90 : 202,189,615.35 = 66,768,628.90 : x - Step 2: Convert to fraction form
134,793,076.90/202,189,615.35 = 66,768,628.90/x - Step 3: Cross multiply
134,793,076.90x = 202,189,615.35 × 66,768,628.90 - Step 4: Simplify right side
134,793,076.90x = 13,499,923,394,737,892 - Step 5: Solve for x
x = 13,499,923,394,737,892/134,793,076.90 - Step 6: Final answer
x = 100,152,943.35
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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.