Finding the Fourth Proportional to 103,899,987.95, 155,874,235.76 and 30,125,311.07
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Solution
The fourth proportional to 103,899,987.95, 155,874,235.76 and 30,125,311.07 is: 45,194,998.89
Step by Step Solution
- Step 1: Write the proportion equation
103,899,987.95 : 155,874,235.76 = 30,125,311.07 : x - Step 2: Convert to fraction form
103,899,987.95/155,874,235.76 = 30,125,311.07/x - Step 3: Cross multiply
103,899,987.95x = 155,874,235.76 × 30,125,311.07 - Step 4: Simplify right side
103,899,987.95x = 4,695,759,839,917,891 - Step 5: Solve for x
x = 4,695,759,839,917,891/103,899,987.95 - Step 6: Final answer
x = 45,194,998.89
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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.