Finding the Fourth Proportional to 81,950,256.73, 113,089,988.28 and 44,779,720.42
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Solution
The fourth proportional to 81,950,256.73, 113,089,988.28 and 44,779,720.42 is: 61,795,267.76
Step by Step Solution
- Step 1: Write the proportion equation
81,950,256.73 : 113,089,988.28 = 44,779,720.42 : x - Step 2: Convert to fraction form
81,950,256.73/113,089,988.28 = 44,779,720.42/x - Step 3: Cross multiply
81,950,256.73x = 113,089,988.28 × 44,779,720.42 - Step 4: Simplify right side
81,950,256.73x = 5,064,138,057,479,477 - Step 5: Solve for x
x = 5,064,138,057,479,477/81,950,256.73 - Step 6: Final answer
x = 61,795,267.76
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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.