Finding the Fourth Proportional to 139,519,344.11, 192,535,166.94 and 76,794,100.99
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Solution
The fourth proportional to 139,519,344.11, 192,535,166.94 and 76,794,100.99 is: 105,975,018.36
Step by Step Solution
- Step 1: Write the proportion equation
139,519,344.11 : 192,535,166.94 = 76,794,100.99 : x - Step 2: Convert to fraction form
139,519,344.11/192,535,166.94 = 76,794,100.99/x - Step 3: Cross multiply
139,519,344.11x = 192,535,166.94 × 76,794,100.99 - Step 4: Simplify right side
139,519,344.11x = 14,785,565,053,779,902 - Step 5: Solve for x
x = 14,785,565,053,779,902/139,519,344.11 - Step 6: Final answer
x = 105,975,018.36
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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.