Finding the Fourth Proportional to 77,771,340.72, 107,327,519.64 and 44,731,536.84
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Solution
The fourth proportional to 77,771,340.72, 107,327,519.64 and 44,731,536.84 is: 61,731,286.28
Step by Step Solution
- Step 1: Write the proportion equation
77,771,340.72 : 107,327,519.64 = 44,731,536.84 : x - Step 2: Convert to fraction form
77,771,340.72/107,327,519.64 = 44,731,536.84/x - Step 3: Cross multiply
77,771,340.72x = 107,327,519.64 × 44,731,536.84 - Step 4: Simplify right side
77,771,340.72x = 4,800,924,898,722,484 - Step 5: Solve for x
x = 4,800,924,898,722,484/77,771,340.72 - Step 6: Final answer
x = 61,731,286.28
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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.