Finding the Fourth Proportional to 186,147,958.84, 278,858,689.04 and 145,014,799.08
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Solution
The fourth proportional to 186,147,958.84, 278,858,689.04 and 145,014,799.08 is: 217,239,216.67
Step by Step Solution
- Step 1: Write the proportion equation
186,147,958.84 : 278,858,689.04 = 145,014,799.08 : x - Step 2: Convert to fraction form
186,147,958.84/278,858,689.04 = 145,014,799.08/x - Step 3: Cross multiply
186,147,958.84x = 278,858,689.04 × 145,014,799.08 - Step 4: Simplify right side
186,147,958.84x = 40,438,636,762,847,808 - Step 5: Solve for x
x = 40,438,636,762,847,808/186,147,958.84 - Step 6: Final answer
x = 217,239,216.67
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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.