Finding the Fourth Proportional to 145,997,452,692.74, 201,473,818,044.48 and 80,891,642,520.92
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Solution
The fourth proportional to 145,997,452,692.74, 201,473,818,044.48 and 80,891,642,520.92 is: 111,628,989,177.49
Step by Step Solution
- Step 1: Write the proportion equation
145,997,452,692.74 : 201,473,818,044.48 = 80,891,642,520.92 : x - Step 2: Convert to fraction form
145,997,452,692.74/201,473,818,044.48 = 80,891,642,520.92/x - Step 3: Cross multiply
145,997,452,692.74x = 201,473,818,044.48 × 80,891,642,520.92 - Step 4: Simplify right side
145,997,452,692.74x = 16,297,548,066,578,958,909,440 - Step 5: Solve for x
x = 16,297,548,066,578,958,909,440/145,997,452,692.74 - Step 6: Final answer
x = 111,628,989,177.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.