Finding the Fourth Proportional to 186,147,853.74, 278,858,531.97 and 145,014,694.02
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Solution
The fourth proportional to 186,147,853.74, 278,858,531.97 and 145,014,694.02 is: 217,239,059.58
Step by Step Solution
- Step 1: Write the proportion equation
186,147,853.74 : 278,858,531.97 = 145,014,694.02 : x - Step 2: Convert to fraction form
186,147,853.74/278,858,531.97 = 145,014,694.02/x - Step 3: Cross multiply
186,147,853.74x = 278,858,531.97 × 145,014,694.02 - Step 4: Simplify right side
186,147,853.74x = 40,438,584,688,495,944 - Step 5: Solve for x
x = 40,438,584,688,495,944/186,147,853.74 - Step 6: Final answer
x = 217,239,059.58
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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.