Finding the Fourth Proportional to 201,854,342.84, 278,559,115.16 and 109,034,891.69
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Solution
The fourth proportional to 201,854,342.84, 278,559,115.16 and 109,034,891.69 is: 150,468,216.45
Step by Step Solution
- Step 1: Write the proportion equation
201,854,342.84 : 278,559,115.16 = 109,034,891.69 : x - Step 2: Convert to fraction form
201,854,342.84/278,559,115.16 = 109,034,891.69/x - Step 3: Cross multiply
201,854,342.84x = 278,559,115.16 × 109,034,891.69 - Step 4: Simplify right side
201,854,342.84x = 30,372,662,948,794,864 - Step 5: Solve for x
x = 30,372,662,948,794,864/201,854,342.84 - Step 6: Final answer
x = 150,468,216.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.