Finding the Fourth Proportional to 77,771,246.48, 107,327,389.92 and 44,731,442.84
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Solution
The fourth proportional to 77,771,246.48, 107,327,389.92 and 44,731,442.84 is: 61,731,156.75
Step by Step Solution
- Step 1: Write the proportion equation
77,771,246.48 : 107,327,389.92 = 44,731,442.84 : x - Step 2: Convert to fraction form
77,771,246.48/107,327,389.92 = 44,731,442.84/x - Step 3: Cross multiply
77,771,246.48x = 107,327,389.92 × 44,731,442.84 - Step 4: Simplify right side
77,771,246.48x = 4,800,909,007,372,873 - Step 5: Solve for x
x = 4,800,909,007,372,873/77,771,246.48 - Step 6: Final answer
x = 61,731,156.75
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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.