Finding the Fourth Proportional to 199,999,922.22, 299,402,173.88 and 120,977,283.42
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Solution
The fourth proportional to 199,999,922.22, 299,402,173.88 and 120,977,283.42 is: 181,104,378.66
Step by Step Solution
- Step 1: Write the proportion equation
199,999,922.22 : 299,402,173.88 = 120,977,283.42 : x - Step 2: Convert to fraction form
199,999,922.22/299,402,173.88 = 120,977,283.42/x - Step 3: Cross multiply
199,999,922.22x = 299,402,173.88 × 120,977,283.42 - Step 4: Simplify right side
199,999,922.22x = 36,220,861,646,044,880 - Step 5: Solve for x
x = 36,220,861,646,044,880/199,999,922.22 - Step 6: Final answer
x = 181,104,378.66
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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.