Finding the Fourth Proportional to 212,877,266.16, 293,753,032.20 and 120,080,581.68
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Solution
The fourth proportional to 212,877,266.16, 293,753,032.20 and 120,080,581.68 is: 165,701,277.61
Step by Step Solution
- Step 1: Write the proportion equation
212,877,266.16 : 293,753,032.20 = 120,080,581.68 : x - Step 2: Convert to fraction form
212,877,266.16/293,753,032.20 = 120,080,581.68/x - Step 3: Cross multiply
212,877,266.16x = 293,753,032.20 × 120,080,581.68 - Step 4: Simplify right side
212,877,266.16x = 35,274,034,976,839,772 - Step 5: Solve for x
x = 35,274,034,976,839,772/212,877,266.16 - Step 6: Final answer
x = 165,701,277.61
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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.