Finding the Fourth Proportional to 67,989,460,220.20, 101,984,190,330.30 and 53,785,955,477.80
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Solution
The fourth proportional to 67,989,460,220.20, 101,984,190,330.30 and 53,785,955,477.80 is: 80,678,933,216.70
Step by Step Solution
- Step 1: Write the proportion equation
67,989,460,220.20 : 101,984,190,330.30 = 53,785,955,477.80 : x - Step 2: Convert to fraction form
67,989,460,220.20/101,984,190,330.30 = 53,785,955,477.80/x - Step 3: Cross multiply
67,989,460,220.20x = 101,984,190,330.30 × 53,785,955,477.80 - Step 4: Simplify right side
67,989,460,220.20x = 5,485,317,120,544,997,376,000 - Step 5: Solve for x
x = 5,485,317,120,544,997,376,000/67,989,460,220.20 - Step 6: Final answer
x = 80,678,933,216.70
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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.