Finding the Fourth Proportional to 75,015,919.94, 112,523,247.80 and 58,634,983.05
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Solution
The fourth proportional to 75,015,919.94, 112,523,247.80 and 58,634,983.05 is: 87,951,980.50
Step by Step Solution
- Step 1: Write the proportion equation
75,015,919.94 : 112,523,247.80 = 58,634,983.05 : x - Step 2: Convert to fraction form
75,015,919.94/112,523,247.80 = 58,634,983.05/x - Step 3: Cross multiply
75,015,919.94x = 112,523,247.80 × 58,634,983.05 - Step 4: Simplify right side
75,015,919.94x = 6,597,798,726,988,694 - Step 5: Solve for x
x = 6,597,798,726,988,694/75,015,919.94 - Step 6: Final answer
x = 87,951,980.50
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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.