Finding the Fourth Proportional to 212,999,911.36, 293,856,373.98 and 123,676,599.76
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Solution
The fourth proportional to 212,999,911.36, 293,856,373.98 and 123,676,599.76 is: 170,625,221.95
Step by Step Solution
- Step 1: Write the proportion equation
212,999,911.36 : 293,856,373.98 = 123,676,599.76 : x - Step 2: Convert to fraction form
212,999,911.36/293,856,373.98 = 123,676,599.76/x - Step 3: Cross multiply
212,999,911.36x = 293,856,373.98 × 123,676,599.76 - Step 4: Simplify right side
212,999,911.36x = 36,343,157,151,649,344 - Step 5: Solve for x
x = 36,343,157,151,649,344/212,999,911.36 - Step 6: Final answer
x = 170,625,221.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.