Finding the Fourth Proportional to 194,235,796.42, 268,037,422.84 and 106,132,818.54
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Solution
The fourth proportional to 194,235,796.42, 268,037,422.84 and 106,132,818.54 is: 146,458,931.28
Step by Step Solution
- Step 1: Write the proportion equation
194,235,796.42 : 268,037,422.84 = 106,132,818.54 : x - Step 2: Convert to fraction form
194,235,796.42/268,037,422.84 = 106,132,818.54/x - Step 3: Cross multiply
194,235,796.42x = 268,037,422.84 × 106,132,818.54 - Step 4: Simplify right side
194,235,796.42x = 28,447,567,160,206,972 - Step 5: Solve for x
x = 28,447,567,160,206,972/194,235,796.42 - Step 6: Final answer
x = 146,458,931.28
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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.