Finding the Fourth Proportional to 186,147,844.74, 278,858,518.49 and 145,014,685.02
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Solution
The fourth proportional to 186,147,844.74, 278,858,518.49 and 145,014,685.02 is: 217,239,046.10
Step by Step Solution
- Step 1: Write the proportion equation
186,147,844.74 : 278,858,518.49 = 145,014,685.02 : x - Step 2: Convert to fraction form
186,147,844.74/278,858,518.49 = 145,014,685.02/x - Step 3: Cross multiply
186,147,844.74x = 278,858,518.49 × 145,014,685.02 - Step 4: Simplify right side
186,147,844.74x = 40,438,580,224,333,736 - Step 5: Solve for x
x = 40,438,580,224,333,736/186,147,844.74 - Step 6: Final answer
x = 217,239,046.10
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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.