Finding the Fourth Proportional to 74,745,029.80, 112,117,544.70 and 40,732,805.80
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Solution
The fourth proportional to 74,745,029.80, 112,117,544.70 and 40,732,805.80 is: 61,099,208.70
Step by Step Solution
- Step 1: Write the proportion equation
74,745,029.80 : 112,117,544.70 = 40,732,805.80 : x - Step 2: Convert to fraction form
74,745,029.80/112,117,544.70 = 40,732,805.80/x - Step 3: Cross multiply
74,745,029.80x = 112,117,544.70 × 40,732,805.80 - Step 4: Simplify right side
74,745,029.80x = 4,566,862,175,037,919 - Step 5: Solve for x
x = 4,566,862,175,037,919/74,745,029.80 - Step 6: Final answer
x = 61,099,208.70
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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.