Finding the Fourth Proportional to 214,648,687.75, 321,904,774.67 and 69,048,357.66
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Solution
The fourth proportional to 214,648,687.75, 321,904,774.67 and 69,048,357.66 is: 103,550,579.54
Step by Step Solution
- Step 1: Write the proportion equation
214,648,687.75 : 321,904,774.67 = 69,048,357.66 : x - Step 2: Convert to fraction form
214,648,687.75/321,904,774.67 = 69,048,357.66/x - Step 3: Cross multiply
214,648,687.75x = 321,904,774.67 × 69,048,357.66 - Step 4: Simplify right side
214,648,687.75x = 22,226,996,013,919,368 - Step 5: Solve for x
x = 22,226,996,013,919,368/214,648,687.75 - Step 6: Final answer
x = 103,550,579.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.