Finding the Fourth Proportional to 149,720,215.80, 224,580,323.70 and 149,720,215.80
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Solution
The fourth proportional to 149,720,215.80, 224,580,323.70 and 149,720,215.80 is: 224,580,323.70
Step by Step Solution
- Step 1: Write the proportion equation
149,720,215.80 : 224,580,323.70 = 149,720,215.80 : x - Step 2: Convert to fraction form
149,720,215.80/224,580,323.70 = 149,720,215.80/x - Step 3: Cross multiply
149,720,215.80x = 224,580,323.70 × 149,720,215.80 - Step 4: Simplify right side
149,720,215.80x = 33,624,214,528,797,856 - Step 5: Solve for x
x = 33,624,214,528,797,856/149,720,215.80 - Step 6: Final answer
x = 224,580,323.70
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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.