Finding the Fourth Proportional to 75,175,513.80, 112,763,270.70 and 44,942,425.80
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Solution
The fourth proportional to 75,175,513.80, 112,763,270.70 and 44,942,425.80 is: 67,413,638.70
Step by Step Solution
- Step 1: Write the proportion equation
75,175,513.80 : 112,763,270.70 = 44,942,425.80 : x - Step 2: Convert to fraction form
75,175,513.80/112,763,270.70 = 44,942,425.80/x - Step 3: Cross multiply
75,175,513.80x = 112,763,270.70 × 44,942,425.80 - Step 4: Simplify right side
75,175,513.80x = 5,067,854,926,400,064 - Step 5: Solve for x
x = 5,067,854,926,400,064/75,175,513.80 - Step 6: Final answer
x = 67,413,638.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.