Finding the Fourth Proportional to 81,950,253.36, 113,089,983.63 and 44,779,717.05
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Solution
The fourth proportional to 81,950,253.36, 113,089,983.63 and 44,779,717.05 is: 61,795,263.11
Step by Step Solution
- Step 1: Write the proportion equation
81,950,253.36 : 113,089,983.63 = 44,779,717.05 : x - Step 2: Convert to fraction form
81,950,253.36/113,089,983.63 = 44,779,717.05/x - Step 3: Cross multiply
81,950,253.36x = 113,089,983.63 × 44,779,717.05 - Step 4: Simplify right side
81,950,253.36x = 5,064,137,468,140,531 - Step 5: Solve for x
x = 5,064,137,468,140,531/81,950,253.36 - Step 6: Final answer
x = 61,795,263.11
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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.