Finding the Fourth Proportional to 201,854,286.46, 278,559,037.35 and 109,034,835.31
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Solution
The fourth proportional to 201,854,286.46, 278,559,037.35 and 109,034,835.31 is: 150,468,138.65
Step by Step Solution
- Step 1: Write the proportion equation
201,854,286.46 : 278,559,037.35 = 109,034,835.31 : x - Step 2: Convert to fraction form
201,854,286.46/278,559,037.35 = 109,034,835.31/x - Step 3: Cross multiply
201,854,286.46x = 278,559,037.35 × 109,034,835.31 - Step 4: Simplify right side
201,854,286.46x = 30,372,638,761,569,392 - Step 5: Solve for x
x = 30,372,638,761,569,392/201,854,286.46 - Step 6: Final answer
x = 150,468,138.65
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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.