Finding the Fourth Proportional to 123,706,171.85, 170,704,561.32 and 71,498,588.99
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Solution
The fourth proportional to 123,706,171.85, 170,704,561.32 and 71,498,588.99 is: 98,662,298.62
Step by Step Solution
- Step 1: Write the proportion equation
123,706,171.85 : 170,704,561.32 = 71,498,588.99 : x - Step 2: Convert to fraction form
123,706,171.85/170,704,561.32 = 71,498,588.99/x - Step 3: Cross multiply
123,706,171.85x = 170,704,561.32 × 71,498,588.99 - Step 4: Simplify right side
123,706,171.85x = 12,205,135,267,683,408 - Step 5: Solve for x
x = 12,205,135,267,683,408/123,706,171.85 - Step 6: Final answer
x = 98,662,298.62
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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.